Material:	Stainless Steel
Surface:	passivated
Standard & Grade/Mechanical properties:	SCREW DIN7504K SS410
Total Quantity:	≥200000  PCS

Stainless Steel 410 self drilling screw 
Material: SS 410 
Surface: passivated 
Size:ST4.8-6.3 
Diameter: 4.8-6.3mm 
Length: 25-75mm
super sharp ,super hard, super anti-corrosion, chinese first company.