Flat Washer ASTM F436, F436M, DIN69161). Standard: ASTM F436 washer, F436M washer, DIN6916 washer, AS12522). Material: Carbon steel, alloy steel, stainless steel, etc.3). Surface: Black, ZP, ZY, etc.4 ...
Ningbo Beilun Milfast Metalworks Co.,Ltd
Main Products: fasteners, bolts, nuts, washers... More