hex socket head should screw made of SS 303,304.
Size from M3 to M12
length: 10-160mm
Grade: 10.8, 12.9
High tension and strength Uuse for mould and machine
ISO7379 Hexagon Socket Head Shoulder Screw
Materail:hardened carbon steel or 303 & 416 stainless steel
Size: thread/M3,M5,M6,M8,M10,M12,M16,M20 P/1.0,1.25,1.5,1.75,2.0,2.5 Length/10mm-200mm Grade: 8.8,10.8,12.9
Pack:bulk in neutral cartons,25kgs/carton, 40 CTNS/PLT