Made in Japan
Manufacturer : Nippon Chemical Screw
Model :PEEK/BT(Thread size-L)
Polyetheretherketone inch hex bolt.
Continuous use temperature |
260°C/500°F |
Combustion quality |
UL94V-0 |
Thread size |
1/4-20 |
3/8-16 |
5/16-18 |
Thread Series |
UNC |
UNC |
UNC |
B×H(inch) |
0.438×0.172 |
0.563×0.250 |
0.500×0.219 |
L(mm/inch) |
9.53(3/8) |
100 |
─ |
─ |
12.7(1/2) |
100 |
50 |
50 |
15.87(5/8) |
100 |
50 |
50 |
19.05(3/4) |
100 |
50 |
50 |
22.22(7/8) |
100 |
50 |
50 |
25.4(1) |
100 |
50 |
50 |
31.75(1-1/4) |
100 |
50 |
50 |
38.1(1-1/2) |
50 |
50 |
50 |
Sales unit Quantity
Torsional rupture torque
Unit/Unit |
1/4-20 |
5/16-18 |
03/8-16 |
N・m |
2.04 |
3.8 |
6.35 |
ft-lb |
1.505 |
2.803 |
4.684 |
Tensile rupture force
Unit/Unit |
1/4-20 |
5/16-18 |
3/8-16 |
N |
1742 |
2915 |
4424 |
lbF |
391.6 |
655.29 |
994.52 |
- We use raw materials that are RoHS2 compliant.
- Black spots (sludge) may appear on the exterior.
- The remaining gate at the screw tip is less than 5% of the length (L).
- Please use in combination with a nut made of the same material as the thread pitch may shift during molding.
- If a nut is not used, the fit with the female thread should be 20 mm or less.
Features
- The values in the table are reference values and are not guaranteed values.
- Please use a torque driver and torque wrench for tightening. The recommended tightening torque is 50% of the breaking torque value under use.
- Heat resistance and chemical resistance vary depending on usage conditions, so be sure to test under usage conditions beforehand.
- There may be slight discoloration depending on the lot and various conditions.
- Inventory sizes, shapes, and manufacturers of materials used are subject to change without notice.