Self drilling screws ,Countersunk Flat Head , drilling point

Material: Hardened Carbon Steel C1022A

Drive type: Pozi, Torx, Philips

Core hardness: 300-460HV

Surface hardness: min 450HV

Surface Treatment: Zinc plated, Phosphated.

Standard: DIN, ASTM

Certification: ISO9001, CE

Non-standards: OEM is available if you provide the drawing or sample