• Roofing self-drilling screws (Unslot indented hexagon head with bonded EPDM washer SDS).
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  • Roofing self-drilling screws (Unslot indented hexagon head with bonded EPDM washer SDS).


    Material: Hardened Carbon Steel C1022A

    Surface Treatment: Zinc plated

    Washer: EPDM, Non-conductive

    Drilling point: #1

    Core hardness: 300-460HV

    Surface hardness: min 450HV

    Standard: DIN, ASTM

    Certification: ISO9001,CE

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


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商品描述

Material: Hardened Carbon Steel C1022A

Surface Treatment: Zinc plated

Washer: EPDM, Non-conductive

Drilling point: #1

Core hardness: 300-460HV

Surface hardness: min 450HV

Standard: DIN, ASTM

Certification: ISO9001,CE

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



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)
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TEL:+86-573 8285 7761

ADD:8 Huaxiang Avenue, Dayun town, Jiashan city, Zhejiang, China

FAX:+86-573 8257 0783 


TEL:+86-573 8285 7761

ADD:8 Huaxiang Avenue, Dayun town, Jiashan city, Zhejiang, China

FAX:+86-573 8257 0783 


TEL:+86-573 8285 7761

ADD:8 Huaxiang Avenue, Dayun town, Jiashan city, Zhejiang, China

FAX:+86-573 8257 0783 


TEL:+86-573 8285 7761

ADD:8 Huaxiang Avenue, Dayun town, Jiashan city, Zhejiang, China

FAX:+86-573 8257 0783