Serving our customers with quality and safety first.
303 se cres stl per ASTM-A-582, no heat treat, finish is passivated per QQ-P-35; 0.550 in. nom length, width across flats 0.250 in. nom, dia is 0.375, inside dia 0.139, smallest outside dia 0.250 in., flange width 0.05, panel grip 0.124 in. max length; chamfered second end, 0.376 in. length threaded 0.250-28UNF-3A; locknut length 0.218 in. max made from cres 303 or equiv. per ams 5640, passivate per QQ-P-35
FSC 5325 ⁓ Fastening devices