Ultra low head Hex bolt(Coarse Stainless steel Unplated 5 X 55 Pitch 0.8

These are screws with washers pre-assembled onto them to prevent loosening and bearing surface indentation.
This eliminates the hassle of forgetting to install a washer or dropping and losing one, allowing for improved work efficiency.

• Ultra low head Hex bolt Coarse pitch
• Nominal thread diameter M5
• Pitch Coarse pitch 0.8
• Length under head (ℓ) 55.0
• Width across flats (B) Nominal 8 Tolerance +0,-0.2
• Head height (H) Nominal 2.0 Tolerance ±0.15