Chemical Screw Polycarbonate Cross Recessed Round Head Machine Screw M4-5 (1,000 Pieces Included)

[Features]
●Polycarbonate is an amorphous ENGINEER plastic.
●Excellent impact resistance.
●Excellent insulation.
●Because it is transparent, it is used as an exterior part because of its excellent design.
●Widely used for electrical and electronic parts, medical equipment parts, automobile parts, etc.

[Use]
●Used for appearance parts by taking advantage of transparency.
●For insulation.
●For impact resistance.
●For heat insulation.
●For corrosion resistance.
●For light weight.

【specification】
-Dimensions (mm)d: M4
-Dimensions (mm) L: 5
-Screw pitch (mm): 0.7
- Head diameter (mm): 7
- Head thickness (mm): 2.6 screw nominal (d): M4
-Screw pitch (P): 0.7
●dk:7
-k: 2.6
s:-

[Specification 2]
-

[Material/Finish]
●Polycarbonate (PC)

[Set contents/accessories]
-

【Note】
●Black spots (sludge) may appear on the exterior, but this does not affect performance.
●・The remaining gate at the tip of the screw is 5% or less of the length (L).
●・The heat resistance and chemical resistance will change depending on the conditions of use, so be sure to conduct a test under the conditions of use in advance.
●・There is a possibility of slight discoloration depending on the lot and various conditions.
●・Use a torque driver and torque wrench for tightening.