Bolt & Nut, Kishu Fastener
Kishu Fastener Anti Loose Nut (V nut)
Products Made in Japan.
Manufacturer: Kishu Fastener
Features
- Easy to install: easy fastening work, installation errors can be avoided
- Prevent nuts from quickly coming off: Stable locking function. Quick coming off can be prevented even if axial force drops. In addition, it is effective even in the middle position of the bolt.
- All metal product: heat and cold resistance
- Can be reused
- Various sizes: from M4 to M16
Nominal diameter (d) | Pitch (p) | Width across flats | Overall height | Screw height (approx.) | Total height | |
---|---|---|---|---|---|---|
Standard type | Small | |||||
M 4 | 0.7 | 7 0 -0.2 |
― | 3.8 ± 0.3 | 3 | ― |
M 5 | 0.8 | 8 0 -0.2 |
― | 4.6 ± 0.3 | 3.9 | ― |
M 6 | 1.0 | 10 0 -0.2 |
― | 5.1 ± 0.3 | 4.2 | ― |
M 8 | 1.25 | 13 0 -0.25 |
12 0 -0.2 |
7.3 ± 0.4 | 6.1 | 5 ± 0.4 |
M 10 | 1.5 | 17 0 -0.25 |
14 0 -0.25 |
8.3 ± 0.4 | 7.1 | 6 ± 0.4 |
1.25 | ||||||
M 12 | 1.75 | 19 0 -0.35 |
17 0 -0.35 |
10.5 ± 0.4 | 9 | ― |
1.25 | ||||||
M 16 | 2.0 | 24 0 -0.35 |
― | 14.5 ± 0.5 | 13 | ― |
1.5 | ||||||
M 20 | 2.5 | 30 0 -0.35 |
― | 17.5 ± 0.5 | 15.4 | ― |
1.5 | ||||||
M 22 | 2.5 | 32 0 -0.4 |
― | 19.5 ± 0.6 | 17.2 | ― |
M 24 | 3.0 | 36 0 -0.4 |
― | 21.5 ± 0.6 | 18.8 | ― |
NAS type vibration test
Test condition | |
---|---|
Test size | M12-1.75 |
Test nut / bolt material | SWCH10R |
Tightening torque | 55.8N ・ m |
Number of vibrations | 30,000 cycles |
n number | 1 | 2 | 3 | Four | Five | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Number of vibrations | Return torque or dropout |
Number of vibrations | Return torque or dropout |
Number of vibrations | Return torque or dropout |
Number of vibrations | Return torque or dropout |
Number of vibrations | Return torque or dropout |
||
product name | V nut | 30,000 cycles |
44N ・ m | 30,000 cycles |
42N ・ m | 30,000 cycles |
45N ・ m | 30,000 cycles |
46N ・ m | 30,000 cycles |
52N ・ m |
Three locknut | 30,000 cycles |
46N ・ m | 30,000 cycles |
41.5N ・ m | 30,000 cycles |
42N ・ m | 30,000 cycles |
39N ・ m | 30,000 cycles |
46N ・ m |