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Drywall Screws, Recess Bugle Head, Fine Thread, Hard

时间:2021-10-07 17:36:24

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Drywall Screws, Recess Bugle Head, Fine Thread, Hard

Material: Hardened Carbon Steel C1022A

Drive type: Philips, Torx, Hexagon socket, Square

Core hardness: 289-449HV

Surface hardness: 560-653HV

Surface Treatment: Phosphated

Standard: DIN, ASTM

Certification: ISO9001

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