supply of hexagonal head bolts and socket head cap screw , high tensile hexagonal head bolt to size m10 x50 mm long with nut and washer. bolt to is: 1367 class 8.8, nut to is:1367 class 10 make : lps/tvs / unbrako (pfl) / gkw/dfl only. ] , high tensile socket head cap screw (allen bolt) to size m12 x 40 mm long, full t hreaded, conforming to is 2269, property class 12.9, with nut, flat washer, spring washer & locknut conforming to 1367 grade 10. make:- lps/tvs/un brako/dfl/gkw only. [ warranty period: 12 months after the date of delivery ] ] , stainless steel hexagonal head bolt to size m12 x 50mm long full threaded, wit h nut & plate washer. material:aisi 304. make: raaj/apl/sai only. ]