Description:
Knurled nuts flat, steel and stainless steel, DIN 467.

Material:
- Steel or stainless steel 1.4305 according to variant.

Version:
- Steel black oxidised
- stainless steel bright.

Ordering Notes:
- M12 flat knurled nuts are not included in the official standards sheet.

Variant:
- stainless steel. Dimensions: Thread D: M4
- D1: 16 mm
- D3: 8 mm
- H: 4 mm
- K: 3.5 mm.