The grade 8 bolts feature high hex head to prevent socket slippage. The thick parallel ground washer allows accurate uniform torque. Black finished, complete with split lock washer to prevent loosening.
Product Features:- Has a zinc dichromate finish
- Made of high quality grade 8 steel
- Has a tall hex head to prevent slippage
- Extra thick parallel ground washer
- Washer provides more accurate and uniform torque