• self-drilling screws for fastening multilayer boards to steel constructions
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  • self-drilling screws for fastening multilayer boards to steel constructions


    Material: Hardened Carbon Steel C1022A

    Surface Treatment: Zinc plated

    Washer: EPDM, Non-conductive

    Drilling point: #5

    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: #5

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



Self-tapping screws are used to mount sedvich panels ( front laminated plates ) to the steel bearing screws does not require predvarietlnogo vent of drilling ,whereby the mounting panels thread under the head of larger diameter screw firmly holds the distance between the skins plates, while increasing efficiency and density soedineniya.Golovka hexagon under the nozzle 5/16 ( 8mm ) .
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