C1022 steel hot treat galvanized EPDM washer self drilling roofing screws
Self-drilling screws are sometimes known by These screws can be identified by the drill bit shaped point of the screw and are designed for a variety of applications such as fastening metal to metal and metal to wood. Self-drilling screws do not require a pilot hole, which accelerates installation time and lowers the cost and need of additional drill bits. This extra functionality and cost saving feature makes self-drilling screws the clear choice for metal building construction. The drill points are numbers #1 through #5 and the amount of steel they can drill through increases as the numbered point increases. Typically, self-drilling screws are used in light gauge applications but a #5 drill point can drill through and fasten up 1/2" of steel. During installation, self-drilling screws will also tap threads to a degree.
| Standard: ASME/ANSI DIN,ISO,JIS |
| Size: 2.9-6.3mm |
| Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass |
| Grade: ASTM A307Gr.A, Class 4.8, SAE J429 Gr.2, |
| Thread: M, UNC, UNF |
Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G.
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Packaging Details: a. bulk in cartons (<=25kg )+ 36CTN/wood solid Pallet
b. bulk in cartons 9"x9"x5" (<=18kg )+ 48CTN/wood solid Pallet
Supply Ability:1000 tons per month
MinimumOrder:200kgs for each specification
Trade Term:FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment :T/T, L/C , D/A , D/P , Western Union,etc
Market:South&north Amrica/Europe/ etc.
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C1022 Steel Hot Treat Galvanized EPDM Washer Hex Flange Bolts Images
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