... 1/4"~5/8" ANSI/ASME B18.2.1 Hex Head bolts Features (material: 304, 304L, 316, ... 1) M5~M20 DIN931 Hex Bolts and DIN933 Hex Head Screws, DIN934 and ANSI/ASME Hex Nuts2) 1/4"~5 ... Rods and Studs 4) DIN standards' Tapping Screws, Hex Socket Cap Screws, Cross Countersunk Head Screws and ... can supply DIN, JIS, ANSI/ASME, etc. standards' hex bolts, nuts,screws & produce special products according to customers ...