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DIN 557 Square Nut M4 (ST/Zn)
DIN 557 steel square nut with zinc coating designed for general fastening applications and suitable for use in indoor environments, fully compatible with standard M4 coarse-thread bolts.
Specifications:
- Product code: 557-M4-STZN
- Material: Steel with zinc coating (ST/Zn)
- Corrosion Resistance: Basic protection, recommended for indoor use
- Standard: DIN 557
Dimensions:
- Thread Size: M4 (4.0 mm)
- Thread Pitch: 0.7 mm (coarse)
- Width Across Flats (A): 7.0 mm
- Nut Height (T): 3.0 mm