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Nylock screws are one best anti-loose fasteners , there is a nyllock path on threads for preventing screws to be loosen when it is installed , nylock screws are also called nyloc screws . Normally , there are two kinds specifications for nylock patch , one is 180 degree ( half circle ) and another is 360 degree ( full circle ) , they are widely used to different fields .
Material
Carbon steel with grade 4.8
Specification
| Thread diameter | M4 |
| Thread length | 10 |
| Head diameter | 7.8 |
| Head length | 3.0 |
| Nyloc patch | 180° |
More specifications
| d | dk | K | L |
| 2 | 3.5 | 1.5 |
5-60 |
| 2.5 | 4.5 | 1.7 | |
| 3 | 6 | 1.8 | |
| 4 | 8 | 2.4 | |
| 5 | 10 | 3 | |
| 6 | 12 | 3.6 | |
| 8 | 16 | 4.8 |
Standaqrd
DIN 85 ( reference )
Finish
Black zinc
Physical Performance
| Tensile strength Mpa | 350 |
| Yeild strength Mpa | 205 |
| Hardness HV | 21 |
| Density g/cm3 | 7.86 |
| Elongation % | 32 |
Product characteristics
1 . Good preventing loose function
Nylock screws with special nyloc path on threads that inreases resistance loose function of threads ..
2 . RoHS complaint
Both finish and materials are meeting RoHS request .
3 . Strict tolerances and standard dimensions .
4 . No burrs or scratch and bright surface
5 . Not easy to be broken
6 . Quick and easy installation
Installation
1 . Nylock screws are not suitable for applications with temperatrue over 90° .
2 . Operated by phillips screwdriver bit .
3 . Make sure nylock screws are located exactly to threaded hole centre of objects .
4 . Clean threads out before installation
5 . Nylock screws threads are not meet 6g thread request .
Application
Nylock screws are normally used to different industrial equipments for sealing or anti-loose requests , especailly for car , electronics and mechanical transmission system .
