Self Tapping Screw

Product name: Self Tapping Screw
Standard: ASME B18.6.4 & SAE J81 DIN6901, DIN6928, DIN7971, DIN7972, DIN7973,DIN7976 ,DIN7981, DIN7982, DIN7983, DIN968
Size:#4(2.8)-1/2"
Length: 10-180mm (3/8”- 7”)
Head type:Hex , Flat, Pan, Truss, Round, Hex washer, Oval, Pan framing, Bugle, Fillister,etc
Drive type:Phil, slotted, Phil & slotted combination, Hex socket
Screw type: AB, B, BP, BF, BT, C, D, F, G, T, U
Material: Carbon steel C1018, C1022, CH22A (+ heat treatment), SS304, SS316, SS410
Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

Product name: Anchor screws
Size: #4(2.8)-1/2"
Length: 10-180mm (3/8”- 7”)
Head type: hex , flat, pan, truss, round, hex washer, Oval, pan framing, bugle, fillister,etc
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Drywall screws are mass-produced products, not hand-made artwork. In mass production, they are supplied to consumers with high-precision and stable quality and popular prices. The drywall screws are usually 6g grade (2 grade, American standard "IFI" is 2A thread), and the rough screw for construction engineering is 8g grade (3 grade, "IFI" is 1A tooth).

Product name: Chipboard screw
Standard:IFI, DIN
Size:#3 - #14 / 2.5-6mm
Material:C1022+ heat treatment,
Length:10-180mm (3/8”- 7”)
Head type: flat/countersunk, pan, Double Flat, wafer head, CSK with 4(6) ribs
Drive type:Phillips, Pozi, square, torx
Finish:Black phosphate, grey phosphate, nickel, ruspert, zinc plated, yellow zinc plated, Black zinc plated, Dacromet

The countersunk head tapping screw material is generally made of carbon steel, and the surface hardness of the material after heat treatment is not less than 45HRC. Compared with the threads of ordinary screws, the pitch is large and the small diameter is slightly smaller at the same large diameter. It has been standardized and is usually used on doors and windows and iron sheets.

Product name: truss head self tapping screw
Standard:ASME B18.6, DIN968
Size:#4(2.8)-1/2"
Length:10-180mm (3/8”- 7”)
Head type: truss
Drive type:Phil, slotted, Phil & slotted combination, pozi
Screw type:AB, B, BP, BF, BT, C, D, F, G, T, U
Material:Carbon steel C1018, C1022, CH22A (+ heat treatment), SS304, SS316, SS410
Thread:M, UNC, UNF
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

Product name: Pan head self tapping screw
Standard:ASME DIN JIS
Size:#4(2.8)-1/2"
Length:10-180mm (3/8”- 7”)
Head type: pan, pan framing,
Drive type:Phil, slotted, Phil & slotted combination, hex socket
Screw type:AB, B, BP, BF, BT, C, D, F, G, T, U
Material:Carbon steel C1018, C1022, CH22A (+ heat treatment), SS304, SS316, SS410
Thread:M, UNC, UNF
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

Standard:ASME B18.6, DIN7972, DIN7973 , DIN7982, DIN7983,ISO7050
Size:#4(2.8)-1/2"
Length:10-180mm (3/8”- 7”)
Head type: flat
Drive type:Phil, slotted, Phil & slotted combination, pozi
Screw type:AB, B, BP, BF, BT, C, D, F, G, T, U
Material:Carbon steel C1018, C1022, CH22A (+ heat treatment), SS304, SS316, SS410
Thread:M, UNC, UNF
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

Crosshead self-tapping screws: It refers to the head of the screw for the pan head, that is, the round head, or the stainless steel self-tapping screw called the semicircular head. It is used for the fastening effect between the materials of the product, and also makes the connection between different materials and materials. Or used to lock the stable material.