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Roofing self-drilling screws (Unslot indented hexagon head with bonded EPDM washer SDS).
Material Hardened Carbon Steel C1022A
Core hardness 300-460HV
Surface hardness min 450HV
Surface Treatment Zinc plated
Standard DIN, ASTM
Certification ISO9001, CE
Non-standards OEM is available if you provide the drawing or sample
Washer EPDM, Non-conductive
Drilling point #1
Parameters
Material
Hardened Carbon Steel C1022A
Core hardness
300-460HV
Surface hardness
min 450HV
Surface Treatment
Zinc plated
Standard
DIN, ASTM
Certification
ISO9001, CE
Non-standards
OEM is available if you provide the drawing or sample
Washer
EPDM, Non-conductive
Drilling point
#1
I know
Detail

Roofing screw is used to fix roof and facade sheet metal to wood elements. It is also used to fix decking to metal construction. To avoid corrosion screw is zinc plated and equipped with frost-proof bonded washer(EPDM)