CN107893804A - A kind of fast screw of strong adaptability penetration rate - Google Patents
A kind of fast screw of strong adaptability penetration rate Download PDFInfo
- Publication number
- CN107893804A CN107893804A CN201711201603.8A CN201711201603A CN107893804A CN 107893804 A CN107893804 A CN 107893804A CN 201711201603 A CN201711201603 A CN 201711201603A CN 107893804 A CN107893804 A CN 107893804A
- Authority
- CN
- China
- Prior art keywords
- screw
- chip
- chip area
- shank
- penetration rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000035515 penetration Effects 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 241001079814 Symphyotrichum pilosum Species 0.000 description 2
- 235000004224 Typha angustifolia Nutrition 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0092—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a head engageable by two or more different tools
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/008—Corrosion preventing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The present invention provides a kind of strong adaptability penetration rate fast screw, including head of screw, shank of screw, screw tip sword, the head of screw is provided with interior hexagonal, cross recess is provided with the interior hexagonal, flat recess is provided with described cross recess, through hole is provided with the flat recess, the front and rear sides of described interior hexagonal are provided with chip-removal hole, the chip-removal hole upper end is provided with chip discharging tube, the lower end of described head of screw and the upper end of shank of screw connect, inner chamber is provided among described shank of screw, the upper end of the inner chamber is connected with through hole, the inner chamber lower end is provided with cylinder boss, several sealing blades are provided with left and right sides of the shank of screw, the front and rear sides of the shank of screw are provided with chip area, screw thread is provided between described sealing blade and chip area.A kind of fast screw of strong adaptability penetration rate of the present invention, there is the characteristics of penetration rate is fast, and adaptability is good, and chip removal facilitates, be not likely to produce deviation when screwing in, improve crudy, reduce processing cost.
Description
【Technical field】
The present invention relates to fastener areas, the fast screw of particularly a kind of strong adaptability penetration rate.
【Background technology】
Screw is by bolt head and screw rod (carrying externally threaded cylinder) a kind of fastener dimerous, for tight
It is solidly connected two mechanical machine parts for carrying through hole.Screw is worked as in daily life in metal plate and machine tooling technical field
In, it is essential, but existing screw, because its design is simple, efficiency is inadequate, it is impossible to more rapidly bores screw
Enter other objects, cause screw easily to be shifted during piercing, influence crudy.
At present, the domestic screw generally used is standard component, as minus screw or plus screw.This screw tightness
It is good, convenient disassembly.But screw generally only has a screw socket, a kind of corresponding aid can only be applicable and screwed or torn open
Unload, when this kind of aid lack just or not at one's side when, the screw cannot be screwed or dismantled, and significantly limit
The adaptability of screw.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of fast spiral shell of strong adaptability penetration rate
Nail, there is the characteristics of penetration rate is fast, and adaptability is good, and chip removal facilitates, be not likely to produce deviation when screwing in, improve crudy,
Reduce processing cost.
To achieve the above object, the present invention proposes a kind of fast screw of strong adaptability penetration rate, including head of screw, spiral shell
Nail rod, screw tip sword, described head of screw are provided with interior hexagonal, cross recess, described cross are provided with described interior hexagonal
Flat recess is provided with groove, is provided with through hole in described flat recess, the front and rear sides of described interior hexagonal are provided with chip-removal hole, described
The upper end of chip-removal hole be provided with chip discharging tube, the lower end of described head of screw and the upper end of shank of screw connect, described shank of screw
Centre is provided with inner chamber, and the upper end of described inner chamber is connected with through hole, and the lower end of described inner chamber is provided with cylinder boss, described spiral shell
The left and right sides of nail rod is provided with several sealing blades, and the front and rear sides of described shank of screw are provided with chip area, described sealing
Screw thread is provided between blade and chip area, the lower end of described shank of screw is connected with screw tip sword.
Preferably, the internal diameter of described head of screw is more than the external diameter of shank of screw, the upper end of described chip area and chip removal
The lower end connection in hole, the upper end of described chip-removal hole and the lower end of chip discharging tube connect.
Preferably, oblique chip discharging tube of the described chip discharging tube for inclined downward from left to right, described oblique chip discharging tube
Upper end be provided with scrap receiving opening, described scrap receiving opening is provided with downward flexure plane, and the upper end of described scrap receiving opening and chip-removal hole connects.
Preferably, described chip area is in " M " font of opening to the right, described chip area include the first chip area,
Second chip area, the 3rd chip area and the 4th chip area, the upper end of the first described chip area connect with the lower end of the second chip area
Connect, the upper end of the second described chip area is connected with the lower end of the 3rd chip area, the upper end and the 4th of the 3rd described chip area
The lower end connection of chip area, the upper end of the 4th described chip area and the lower end of chip-removal hole connect, and the setting of " M " shape extends row
Consider path to be worth doing, slow down the speed of chip removal, avoiding dust excessive velocities from being splashed in air influences environment, and the extension in path increases
Added the cubical content of dust, avoid dust receiving space deficiency and running helter-skelter influences environment into air.
Preferably, the first described chip area is parallel to each other with the 3rd chip area, the second described chip area and the 4th
Chip area is parallel to each other, and the angle between described the first chip area and the second chip area is 90 ° -120 °.
Preferably, the left and right sides of described shank of screw is provided with several link slots, the bottom of described link slot is set
There is magnet, the top of described magnet is provided with sealing cutter groove, described sealing cutter groove and the sealing mutual clamping of blade.
Preferably, described sealing blade includes connecting rod and sealed knife, the left end and sealed knife of described connecting rod
The mutual clamping of groove, the right-hand member of described connecting rod are connected with sealed knife, and described connecting rod is mutually perpendicular to sealed knife, described
Sealed knife is straight down.
Preferably, the left side of described head of screw is provided with left oiling groove, the right side of described head of screw is provided with right oiling
Groove, described left oiling groove and right oiling groove are arc, are connected on the left of the upper end of described left oiling groove and shank of screw, described
Connected on the right side of the upper end of right oiling groove and shank of screw.
Beneficial effects of the present invention:The present invention sets one by setting cross recess in interior hexagonal in cross recess
Word groove, sets through hole in flat recess, sets cylinder boss in the lower section of through hole, the aid that can adapt to plurality of specifications enters
Row screws and dismounting action, strong adaptability are easy to use;By setting sealing blade and chip area, penetration rate is accelerated,
Deviation is not likely to produce during screw-in, crudy, sealing blade and the mutual clamping for sealing cutter groove are improved, in sealing blade or screw
Bar need to only change the part of damage when damaging, reduce processing cost;By setting chip discharging tube, by dust caused by screw-in
Discharge in order, beneficial to collection, reduce dust pollution;By setting oiling groove, influence dismounting of getting rusty is avoided, reduces utilization rate.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of the fast screw of strong adaptability penetration rate of the present invention;
Fig. 2 is a kind of internal structure schematic diagram of the fast screw of strong adaptability penetration rate of the present invention;
Fig. 3 is the structural representation of hexagonal in the present invention;
Fig. 4 is the structural representation of chip discharging tube of the present invention;
Fig. 5 is the structural representation of shank of screw of the present invention;
Fig. 6 is the structural representation of present invention sealing blade.
In figure:1- head of screws, 2- shanks of screw, 3- screw tips sword, hexagonal, 12- cross recess, 13- flat recesses, 14- in 11-
Through hole, 15- chip-removal holes, 16- chip discharging tubes, the left oiling grooves of 17-, the right oiling grooves of 18-, 21- inner chambers, 22- sealings blade, 23- chip removals
Groove, 24- screw threads, 25- link slots, 161- scrap receiving openings, 211- cylinder boss, 221- connecting rods, 222- sealed knifes, 231- first rows
Consider groove, the chip areas of 232- second, the chip areas of 233- the 3rd, the chip areas of 234- the 4th, 251- magnet, 252- sealing cutter grooves to be worth doing.
【Embodiment】
To make the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The scope being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to Fig. 1 to Fig. 6, a kind of fast screw of strong adaptability penetration rate of the present invention, including head of screw 1, shank of screw 2,
Screw tip sword 3, described head of screw 1 are provided with interior hexagonal 11, are provided with cross recess 12 in described interior hexagonal 11, and described ten
Flat recess 13 is provided with word groove 12, is provided with through hole 14 in described flat recess 13, the front and rear sides of described interior hexagonal 11 are set
There is a chip-removal hole 15, the upper end of described chip-removal hole 15 is provided with chip discharging tube 16, and the lower end of described head of screw 1 is upper with shank of screw 2
End connection, the centre of described shank of screw 2 are provided with inner chamber 21, and the upper end of described inner chamber 21 is connected with through hole 14, and described is interior
The lower end of chamber 21 is provided with cylinder boss 211, and the left and right sides of described shank of screw 2 is provided with several sealing blades 22, described
The front and rear sides of shank of screw 2 are provided with chip area 23, and screw thread 24 is provided between described sealing blade 22 and chip area 23, described
The lower end of shank of screw 2 is connected with screw tip sword 3;The internal diameter of described head of screw 1 is more than the external diameter of shank of screw 2, described chip removal
The upper end of groove 23 is connected with the lower end of chip-removal hole 15, and the upper end of described chip-removal hole 15 is connected with the lower end of chip discharging tube 16;It is described
Chip discharging tube 16 be the oblique chip discharging tube of inclined downward from left to right, the upper end of described oblique chip discharging tube is provided with scrap receiving opening 161,
Described scrap receiving opening 161 is provided with downward flexure plane, and described scrap receiving opening 161 is connected with the upper end of chip-removal hole 15;Described row
Bits groove 23 is in " M " font of opening to the right, and described chip area 23 includes the first chip area 231, the second chip area the 232, the 3rd
The chip area 234 of chip area 233 and the 4th, the upper end of the first described chip area 231 are connected with the lower end of the second chip area 232,
The upper end of the second described chip area 232 is connected with the lower end of the 3rd chip area 233, the upper end of the 3rd described chip area 233
It is connected with the lower end of the 4th chip area 234, the upper end of the 4th described chip area 234 is connected with the lower end of chip-removal hole 15;It is described
The first chip area 231 be parallel to each other with the 3rd chip area 233, the second described chip area 232 and the 4th chip area 234 are mutual
Parallel, the angle between described the first chip area 231 and the second chip area 232 is 90 ° -120 °, a left side for described shank of screw 2
Right both sides are provided with several link slots 25, and the bottom of described link slot 25 is provided with magnet 251, the top of described magnet 251
Provided with sealing cutter groove 252, described sealing cutter groove 252 and sealing 22 mutual clamping of blade;Described sealing blade 22 includes connecting
Extension bar 221 and sealed knife 222, left end and sealing 252 mutual clamping of cutter groove, the described connecting rod 221 of described connecting rod 221
Right-hand member be connected with sealed knife 222, described connecting rod 221 is mutually perpendicular to sealed knife 222, and described sealed knife 222 is vertical
Downwards;The left side of described head of screw 1 is provided with left oiling groove 17, and the right side of described head of screw 1 is provided with right oiling groove 18, described
Left oiling groove 17 and right oiling groove 18 be arc, described left oiling groove 17 is described with being connected on the left of the upper end of shank of screw 2
Right oiling groove 18 on the right side of the upper end of shank of screw 2 with being connected.
By using above-mentioned technical proposal, the present invention in interior hexagonal 11 by setting cross recess 12, in cross recess
Flat recess 13 is set in 12, through hole 14 is set in flat recess 13, inner chamber 21 is set in the lower section of through hole 14, at the bottom of inner chamber 21
End set cylinder boss 211, can adapt to plurality of specifications aid screwed and dismounting action, strong adaptability, use
It is convenient, while the material cost when setting of inner chamber 21 reduces processing;By setting link slot 25 in the both sides of shank of screw 2,
Magnet 251 and sealing cutter groove 252, sealing cutter groove 252 and 221 mutual clamping of connecting rod be set in the link slot 25, magnet 251 with
Connecting rod 221 attracts each other, and greatly enhances the bonding strength of sealing blade 22 and shank of screw 2, when being screwed, sealing
The setting of blade increases downward dynamics, improves the speed pierced, reduces the generation of deviation, improves crudy;It is logical
Setting chip area 23, chip-removal hole 15 and chip discharging tube 16 are crossed, is screwing caused dust through chip area 23, chip-removal hole 15 and chip removal
Pipe 16 is discharged in order, beneficial to collection, reduces dust pollution, while the setting of chip area " M " shape extends chip removal path, slow down
The speed of chip removal, avoiding dust excessive velocities from being splashed in air influences environment, and the extension in path adds the appearance of dust
Accumulated amount, avoids dust receiving space deficiency and running helter-skelter influences environment into air;By setting left oiling in the left side of head of screw 1
Groove 17, sets right oiling groove 18 on the right side of head of screw 1, and the compartment time turns left oiling groove 17 and right oiling groove 18 adds lubrication
Oil, lubricating oil flow through shank of screw 2, screw thread 24, sealing blade 22, avoid shank of screw 2, screw thread 24, sealing blade 22 from getting rusty influence
Dismounting, reduce utilization rate.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (8)
- A kind of 1. fast screw of strong adaptability penetration rate, it is characterised in that:Including head of screw (1), shank of screw (2), screw tip Sword (3), described head of screw (1) is provided with interior hexagonal (11), cross recess (12) is provided with described interior hexagonal (11), described Cross recess (12) in be provided with flat recess (13), described flat recess (13) is interior to be provided with through hole (14), described interior hexagonal (11) front and rear sides are provided with chip-removal hole (15), and the upper end of described chip-removal hole (15) is provided with chip discharging tube (16), described screw The lower end of head (1) is connected with the upper end of shank of screw (2), and the centre of described shank of screw (2) is provided with inner chamber (21), described inner chamber (21) upper end is connected with through hole (14), and the lower end of described inner chamber (21) is provided with cylinder boss (211), described shank of screw (2) the left and right sides is provided with several sealing blades (22), and the front and rear sides of described shank of screw (2) are provided with chip area (23), Screw thread (24), the lower end of described shank of screw (2) and screw tip are provided between described sealing blade (22) and chip area (23) Sword (3) connects.
- A kind of 2. fast screw of strong adaptability penetration rate as claimed in claim 1, it is characterised in that:Described head of screw (1) internal diameter is more than the external diameter of shank of screw (2), and the upper end of described chip area (23) is connected with the lower end of chip-removal hole (15), institute The upper end for the chip-removal hole (15) stated is connected with the lower end of chip discharging tube (16).
- A kind of 3. fast screw of strong adaptability penetration rate as claimed in claim 1, it is characterised in that:Described chip discharging tube (16) it is the oblique chip discharging tube of inclined downward from left to right, the upper end of described oblique chip discharging tube is provided with scrap receiving opening (161), described Scrap receiving opening (161) be provided with downward flexure plane, described scrap receiving opening (161) is connected with the upper end of chip-removal hole (15).
- A kind of 4. fast screw of strong adaptability penetration rate as claimed in claim 1, it is characterised in that:Described chip area (23) be in " M " font of opening to the right, described chip area (23) include the first chip area (231), the second chip area (232), 3rd chip area (233) and the 4th chip area (234), upper end and the second chip area (232) of described the first chip area (231) Lower end connection, the upper end of described the second chip area (232) is connected with the lower end of the 3rd chip area (233), the described the 3rd The upper end of chip area (233) is connected with the lower end of the 4th chip area (234), the upper end of the 4th described chip area (234) and row Consider the lower end connection of hole (15) to be worth doing.
- A kind of 5. fast screw of strong adaptability penetration rate as claimed in claim 4, it is characterised in that:The first described chip removal Groove (231) is parallel to each other with the 3rd chip area (233), and described the second chip area (232) is mutually flat with the 4th chip area (234) OK, the angle between described the first chip area (231) and the second chip area (232) is 90 ° -120 °.
- A kind of 6. fast screw of strong adaptability penetration rate as claimed in claim 1, it is characterised in that:Described shank of screw (2) the left and right sides is provided with several link slots (25), and the bottom of described link slot (25) is provided with magnet (251), described The top of magnet (251) is provided with sealing cutter groove (252), described sealing cutter groove (252) and sealing blade (22) mutual clamping.
- A kind of 7. fast screw of strong adaptability penetration rate as claimed in claim 1, it is characterised in that:Described sealing blade (22) connecting rod (221) and sealed knife (222) are included, the left end of described connecting rod (221) mutually blocks with sealing cutter groove (252) Connect, the right-hand member of described connecting rod (221) is connected with sealed knife (222), described connecting rod (221) and sealed knife (222) phase Mutually vertical, described sealed knife (222) is straight down.
- A kind of 8. fast screw of strong adaptability penetration rate as claimed in claim 1, it is characterised in that:Described head of screw (1) left side is provided with left oiling groove (17), and the right side of described head of screw (1) is provided with right oiling groove (18), described left oiling Groove (17) and right oiling groove (18) are arc, and described left oiling groove (17) is described with being connected on the left of the upper end of shank of screw (2) Right oiling groove (18) on the right side of the upper end of shank of screw (2) with being connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711201603.8A CN107893804A (en) | 2017-11-27 | 2017-11-27 | A kind of fast screw of strong adaptability penetration rate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711201603.8A CN107893804A (en) | 2017-11-27 | 2017-11-27 | A kind of fast screw of strong adaptability penetration rate |
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CN107893804A true CN107893804A (en) | 2018-04-10 |
Family
ID=61806064
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CN201711201603.8A Pending CN107893804A (en) | 2017-11-27 | 2017-11-27 | A kind of fast screw of strong adaptability penetration rate |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110410403A (en) * | 2019-07-31 | 2019-11-05 | 嘉兴承泽五金有限公司 | A kind of New self-tapping screw |
CN113623303A (en) * | 2021-09-15 | 2021-11-09 | 浙江新盛达金属科技发展股份有限公司 | Anti-theft screw with sawtooth thread |
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US5759003A (en) * | 1996-07-22 | 1998-06-02 | Greenway; John Michael | Combined screw and clearance drill |
TWM395075U (en) * | 2010-07-27 | 2010-12-21 | Fastex Industry Co Ltd | Screw |
CN102966652A (en) * | 2011-08-30 | 2013-03-13 | 邳州市大昌机械制造有限公司 | Chip groove-improved bolt |
CN202833502U (en) * | 2012-09-03 | 2013-03-27 | 宝钢集团新疆八一钢铁有限公司 | Self-lubricating spiral axis pin |
CN204610491U (en) * | 2015-03-11 | 2015-09-02 | 邯郸市正信标准件有限公司 | Backing-up screw |
CN105605061A (en) * | 2016-02-19 | 2016-05-25 | 扬州光鸿钢构金属实业有限公司 | Screw bolt with built-in lubricating oil duct |
CN205766642U (en) * | 2016-05-17 | 2016-12-07 | 丁伯勇 | Anti-double-side convex splits compound blade milling cutter |
CN106825698A (en) * | 2017-03-28 | 2017-06-13 | 苏州市顺仪五金有限公司 | One kind drilling two-in-one cutter of deburring |
-
2017
- 2017-11-27 CN CN201711201603.8A patent/CN107893804A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US5759003A (en) * | 1996-07-22 | 1998-06-02 | Greenway; John Michael | Combined screw and clearance drill |
TWM395075U (en) * | 2010-07-27 | 2010-12-21 | Fastex Industry Co Ltd | Screw |
CN102966652A (en) * | 2011-08-30 | 2013-03-13 | 邳州市大昌机械制造有限公司 | Chip groove-improved bolt |
CN202833502U (en) * | 2012-09-03 | 2013-03-27 | 宝钢集团新疆八一钢铁有限公司 | Self-lubricating spiral axis pin |
CN204610491U (en) * | 2015-03-11 | 2015-09-02 | 邯郸市正信标准件有限公司 | Backing-up screw |
CN105605061A (en) * | 2016-02-19 | 2016-05-25 | 扬州光鸿钢构金属实业有限公司 | Screw bolt with built-in lubricating oil duct |
CN205766642U (en) * | 2016-05-17 | 2016-12-07 | 丁伯勇 | Anti-double-side convex splits compound blade milling cutter |
CN106825698A (en) * | 2017-03-28 | 2017-06-13 | 苏州市顺仪五金有限公司 | One kind drilling two-in-one cutter of deburring |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110410403A (en) * | 2019-07-31 | 2019-11-05 | 嘉兴承泽五金有限公司 | A kind of New self-tapping screw |
CN113623303A (en) * | 2021-09-15 | 2021-11-09 | 浙江新盛达金属科技发展股份有限公司 | Anti-theft screw with sawtooth thread |
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