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Roofing self-drilling screws for fastening multilayer boards to steelconstructions

时间:2021-10-07 17:11:49

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Roofing self-drilling screws for fastening multilayer boards to steelconstructions

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: #5