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Specifications

 Our company specializes in manufacture various kinds of fasteners and metal stampings, with resonable price, high quality. 
 
1. Description: sems screws ,  Coarse threaded screws with captive conical spring washer

2. Material: Steel ,Stainless Steel

3. Surface: Zinc Plated in Chromium and ROHS

4.Size: 3.5(#6) upto 4.2mm(#8)

5.Length: up to 75mm(3 Inch)

include drywall screw, Machine screw, chipboard screw, self tapping screw(Sheet Metal Screw), self drilling Screw, Furniture screw(Connecting Bolt), Plastic screw, Deck Screw, wood screw Etc.

Surface treatment: Plain, black, zinc-plated,HDG, dacromat, chromate and etc.
Packing: export cartons with plastics bag, then onto pallets,or color small box packing
                screw with washer assembly.

Head Type: Pan Head, Ind Hex Head, Hex Head, Ind Hex Washer Head, Truss Head, Fillister Head, Binding Head...etc.

Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass.

Standard: IFI, JIS, ISO, DIN, BS.

Size Range: M1.4-M12, #0-1/2

Length Range: 3MM-125MM, 3/16-5".
New Styles and customer designs are welcome.