STANDARDS DIN 601 (for Bolts), 555 (for Nuts), 125A (for Washers) IS 1363 BS 1363 ISO 4016, 4018 PROPERTY CLASS: 4.6/4.0, 5.6/5.0 RANGE: METRIC DIA M 6 TO M 64 LENGTH 16mm to 500mm INCH DIA 1/4" TO 2" LENGTH 5/8" TO 28" PACKING * IN GUNNY BAGS
