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時間：2021-10-07 17:11:49
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
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