Description:
Knurled screws, plastic.

Material:
- Black thermoset PF 31
- screw steel.

Version:
- Screw electro zinc-plated.

Dimensions:
- Thread D: M4
- D1: 18 mm
- D3: 10 mm
- D4: 7 mm
- H: 13.5 mm
- H1: 9 mm
- K: 8 mm
- Length L: 15 mm.