Tenders for Supply Of Hex Head Bolt Size: M8x40mm With Nut, Sp Hex Head Bolt Size: M8x40mm With Nut, Spring Washer & Plain Washer Grade Of Bolt Should Be 8.8 Or 10.9 For Spring Washer Is3063 And Plain Washer Is2016. Hex Head Bolt - 01 Nos/set, Nut - 01 Nos/set, Spring Washer - 01 Nos/set. Plain Washer - 01 Nos/set..