JIAXING HAINA FASTENER CO.,LIMITED
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ISO14001:2005
HNF
7318160000
Ss304 Stainless Steel Security Anti-theft Break Shear Nut
Due to a change in the Angle of the conformation, the normal force produced by the contact between the threads is at a 60 degree Angle to the bolt axis, rather than a 30 degree Angle as with normal threads.The normal thread pressure is much larger than the clamping pressure, therefore, the anti-loosening friction force will increase greatly.When the top of the male thread is occluding with the female thread, the tooth tip at the top of the male thread is easy to deform, so that the load is evenly distributed over the whole length of the contact helix, which avoids the phenomenon that more than 80% of the total load is concentrated on the thread surface of the first and second teeth when the common standard thread is occluding.Therefore, the screw coupling pair can not only overcome the shortcoming of the common standard coupling pair, but also extend the service life.
Because of this special way of deforming and preventing loose teeth, it can be repeatedly removed 5 to 50 times, and the function of preventing loose teeth still persists.Because of its high vibration resistance, light weight and repeatable disassembly, it has become the most reliable anti-loosening product
Material Chemical Composition:
| GRADE | CHEMICAL COMPOSITION1(%MAXIMA UNLESS STATED) | NOTES | ALTERNATIVE NAMES | ||||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | |||
| A1 | 0.12 | 1 | 6.5 | 0.2 | 0.15/0.35 | 16-19 | 0.7 | 5-10 | 1.75-2.25 | 2 3 4 | 303S31,303S42,1.4305 |
| A2 | 0.1 | 1 | 2 | 0.05 | 0.03 | 15-20 | 5 | 8-19 | 4 | 6 7 | 304,394S17(BS3111),1.4301,1.4567 |
| A3 | 0.08 | 1 | 2 | 0.045 | 0.03 | 17-19 | 5 | 9-12 | 1 | 8 | 321,1.4541,347,1.4550 |
| A4 | 0.08 | 1 | 2 | 0.045 | 0.03 | 16-18.5 | 2-3 | 10-15 | 4 | 7 9 | 316,1.4401,1.4578 |
| A5 | 0.08 | 1 | 2 | 0.045 | 0.03 | 16-18.5 | 2-3 | 10.5-14 | 1 | 8 9 | 316Ti，1.4571，316Cb，1.4580 |
| C1 | 0.09-0.15 | 1 | 1 | 0.05 | 0.03 | 11.5-14 | - | 1 | - | 9 | 410，1.4006 |
| C3 | 0.17-0.25 | 1 | 1 | 0.04 | 0.03 | 16-18 | - | 1.5-2.5 | - | 431，1.4057 | |
| C4 | 0.08-0.15 | 1 | 1.5 | 0.06 | 0.15-0.35 | 12-14 | 0.8 | 1 | 2 9 | 416，1.4005 | |
| F1 | 0.12 | 1 | 1 | 0.04 | 0.03 | 15-18 | 10 | 1 | 11 12 | 430，1.4016，430Ti，1.4520，430Cb，1.4511 | |
Drawing
Application:
In applications where vibration or rotation may work a nut loose, various locking mechanisms may be employed: lock washers, jam nuts, specialist adhesive thread-locking fluid such as Loctite, safety pins (split pins) or lockwire in conjunction with castellated nuts, nylon inserts (Nyloc nut), or slightly oval-shaped threads.
The most common shape is hexagonal, for similar reasons as the bolt head - 6 sides give a good granularity of angles for a tool to approach from (good in tight spots), but more (and smaller) corners would be vulnerable to being rounded off. It takes only 1/6th of a rotation to obtain the next side of the hexagon and grip is optimal. However polygons with more than 6 sides do not give the requisite grip and polygons with fewer than 6 sides take more time to be given a complete rotation. Other specialized shapes exist for certain needs, such as wingnuts for finger adjustment and captive nuts (e.g. cage nuts) for inaccessible areas.
A wide variety of nuts exists, from household hardware versions to specialized industry-specific designs that are engineered to meet various technical standards. Fasteners used in automotive, engineering, and industrial applications usually need to be tightened to a specific torque setting, using a torque wrench. Nuts are graded with strength ratings compatible with their respective bolts; for example, an ISO property class 10 nut will be able to support the bolt proof strength load of an ISO property class 10.9 bolt without stripping. Likewise, an SAE class 5 nut can support the proof load of an SAE class 5 bolt, and so on.
Ss304 Stainless Steel Security Anti-theft Break Shear Nut
Due to a change in the Angle of the conformation, the normal force produced by the contact between the threads is at a 60 degree Angle to the bolt axis, rather than a 30 degree Angle as with normal threads.The normal thread pressure is much larger than the clamping pressure, therefore, the anti-loosening friction force will increase greatly.When the top of the male thread is occluding with the female thread, the tooth tip at the top of the male thread is easy to deform, so that the load is evenly distributed over the whole length of the contact helix, which avoids the phenomenon that more than 80% of the total load is concentrated on the thread surface of the first and second teeth when the common standard thread is occluding.Therefore, the screw coupling pair can not only overcome the shortcoming of the common standard coupling pair, but also extend the service life.
Because of this special way of deforming and preventing loose teeth, it can be repeatedly removed 5 to 50 times, and the function of preventing loose teeth still persists.Because of its high vibration resistance, light weight and repeatable disassembly, it has become the most reliable anti-loosening product
Material Chemical Composition:
| GRADE | CHEMICAL COMPOSITION1(%MAXIMA UNLESS STATED) | NOTES | ALTERNATIVE NAMES | ||||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | |||
| A1 | 0.12 | 1 | 6.5 | 0.2 | 0.15/0.35 | 16-19 | 0.7 | 5-10 | 1.75-2.25 | 2 3 4 | 303S31,303S42,1.4305 |
| A2 | 0.1 | 1 | 2 | 0.05 | 0.03 | 15-20 | 5 | 8-19 | 4 | 6 7 | 304,394S17(BS3111),1.4301,1.4567 |
| A3 | 0.08 | 1 | 2 | 0.045 | 0.03 | 17-19 | 5 | 9-12 | 1 | 8 | 321,1.4541,347,1.4550 |
| A4 | 0.08 | 1 | 2 | 0.045 | 0.03 | 16-18.5 | 2-3 | 10-15 | 4 | 7 9 | 316,1.4401,1.4578 |
| A5 | 0.08 | 1 | 2 | 0.045 | 0.03 | 16-18.5 | 2-3 | 10.5-14 | 1 | 8 9 | 316Ti，1.4571，316Cb，1.4580 |
| C1 | 0.09-0.15 | 1 | 1 | 0.05 | 0.03 | 11.5-14 | - | 1 | - | 9 | 410，1.4006 |
| C3 | 0.17-0.25 | 1 | 1 | 0.04 | 0.03 | 16-18 | - | 1.5-2.5 | - | 431，1.4057 | |
| C4 | 0.08-0.15 | 1 | 1.5 | 0.06 | 0.15-0.35 | 12-14 | 0.8 | 1 | 2 9 | 416，1.4005 | |
| F1 | 0.12 | 1 | 1 | 0.04 | 0.03 | 15-18 | 10 | 1 | 11 12 | 430，1.4016，430Ti，1.4520，430Cb，1.4511 | |
Drawing
Application:
In applications where vibration or rotation may work a nut loose, various locking mechanisms may be employed: lock washers, jam nuts, specialist adhesive thread-locking fluid such as Loctite, safety pins (split pins) or lockwire in conjunction with castellated nuts, nylon inserts (Nyloc nut), or slightly oval-shaped threads.
The most common shape is hexagonal, for similar reasons as the bolt head - 6 sides give a good granularity of angles for a tool to approach from (good in tight spots), but more (and smaller) corners would be vulnerable to being rounded off. It takes only 1/6th of a rotation to obtain the next side of the hexagon and grip is optimal. However polygons with more than 6 sides do not give the requisite grip and polygons with fewer than 6 sides take more time to be given a complete rotation. Other specialized shapes exist for certain needs, such as wingnuts for finger adjustment and captive nuts (e.g. cage nuts) for inaccessible areas.
A wide variety of nuts exists, from household hardware versions to specialized industry-specific designs that are engineered to meet various technical standards. Fasteners used in automotive, engineering, and industrial applications usually need to be tightened to a specific torque setting, using a torque wrench. Nuts are graded with strength ratings compatible with their respective bolts; for example, an ISO property class 10 nut will be able to support the bolt proof strength load of an ISO property class 10.9 bolt without stripping. Likewise, an SAE class 5 nut can support the proof load of an SAE class 5 bolt, and so on.
