Made in Japan
 Manufacturer : Nippon Chemical Screw
 Model :PEEK/(-)PH(Thread size-L)
Polyetheretherketone (-) inch pan head machine screw.
| Continuous use temperature | 260°C/500°F | 
| Combustion quality | UL94V-0 | 

| Thread size | #4-40 | #6-32 | #8-32 | #10-32 | 
| Thread Series | UNC | UNC | UNC | UNF | 
| D×H(inch) | 0.219×0.080 | 0.270×0.097 | 0.322×0.115 | 0.373×0.133 | 
| y(inch) | 0.039 | 0.048 | 0.054 | 0.06 | 
| c(inch) | 0.04 | 0.05 | 0.058 | 0.068 | 
| L(mm/inch) | 4.76 (3/16) | 100 | ─ | ─ | ─ | 
| 6.35(1/4) | 100 | 100 | 100 | ─ | 
| 7.94(5/16) | 100 | 100 | 100 | ─ | 
| 9.53(3/8) | 100 | 100 | 100 | 100 | 
| 12.7(1/2) | 100 | 100 | 100 | 100 | 
| 15.87(5/8) | 100 | 100 | 100 | 100 | 
| 19.05(3/4) | 100 | 100 | 100 | 100 | 
| 22.22(7/8) | 100 | 100 | 100 | 100 | 
| 25.4(1) | 100 | 100 | 100 | 100 | 
Sales unit Quantity
Torsional rupture torque
| Unit/Unit | 4-40 | 6-32 | 8-32 | 10-32 | 
| N・m | 0.19 | 0.33 | 0.61 | 0.95 | 
| ft-lb | 0.14 | 0.243 | 0.45 | 0.701 | 
Tensile rupture force
| Unit/Unit | 4-40 | 6-32 | 8-32 | 10-32 | 
| N | 306 | 459 | 746 | 1090 | 
| lbF | 68.79 | 103.18 | 167.7 | 245.03 | 
- 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.