Hex Washer Head Self Drilling Screw

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Thread size:#8, #10, #12, #14 (M4.2, M4.8, M5.5, M6.3) Length:1/2" to 12" (13 to 300mm) Recess type:Hex; Slot+Hex; Torx; Phillips; Phil+Hex; Slot+Hex washer Head type:Hex Washer Head; Slotted Indented washer Head;Indented hex washer head; Thread type:ASD (coarse thread);BSD (general thread);CSD (fine thread) with 1 slot;double threads Point:Drill point length from #2~#5; Reduced point; Finish:Phosphate (grey or black); Zinc Plated (clear / white / yellow); Coating (Geomet, Dacrotized, Ruspert etc.); Mechanically plated zinc-tin (Class 3 or Class 4); Drill capacity: Steel plate thickness 1.0mm to 10mm; black/grey EPDM thick 2.0, 2.5 or 3.0 +/-0.2mm for selection), or umbrella EPDM washer, and head painted RAL color available

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Hex Washer Head - Medium Duty Precise cutting edges for improved drill performance Better Drill Performance,HWH screws have a built in washer to help distribute load to a wider area. This medium duty screw provides better drill performance.Self-Drilling Screws have a drill-shaped point to cut through sheet metal or steel which eliminates the need for drilling a pilot hole. Applications Polycarbonate sheet, shadow cover, brick ties to steel framing, roof deck to steel framing, accessories to steel framing etc.High quality tempered steel for better drilling, zinc plated Rust proof zinc coating for extra long life. For medium duty purposes Roof deck to steel framing Accessories to steel framing

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