... -M64), include hex bolt(DIN931,DIN933, DIN601, DIN558, DIN975GA/T5780-GB/T5783, JISB1180, ANSI/ASME B18.2.1,B.S.W916 ... , T-bolt, carriage bolt(DIN603), anchor bolt(DIN529,IFI136, GB/T799), square head bolts, expansion bolt(ANSI,BS,DIN), eye bolt (DIN444 ... ),spring washer(DIN127),Non-standard wahser.Features:1) Standard: DIN, GB, JIS, ANSI, Non-standard 2) Materials option: Stainless steel C276 ...