Screw

Product name: Machine screw
Standard:ASME/ANSI B18.6 ,DIN967, JIS B 1111, JIS B 1194, DIN964,DIN965,DIN7991,ISO7380,ISO7046，DIN912
Size:#5 - 3/4"; M3 – M20
Material:Carbon Steel, Alloy Steel, Stainless Steel,
Length:10-180mm (3/8”- 7”)
Head type:Pan, Hex , Flat, Pan, Truss, Round, Hex washer, Oval, Pan framing
Drive type:Phil, Slotted, Phil & Slotted combination, Hex socket, Pozl
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

Product name: Self Drilling Screw
Standard: ASME B18.6.4 & SAE J78 DIN7504K， DIN7504P，DIN7504N
Size: #4(2.8)-1/2"
Material: Carbon Steel, Alloy Steel, Stainless Steel
Length: 10-180mm (3/8”- 7”)
Head type: Hex , Flat, Pan, Truss, Round, Hex washer, Oval, Pan framing, Bugle, Fillister
Drive type: Phil, slotted, Phil & slotted combination, hex socket, Pozi
Screw type: BSD, CSD
Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G

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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Product Name: Hex Socket Head Cap Screws
Material: Carbon Steel, Alloy Steel, Stainless Steel
Standard: AMSE B18.3,DIN912, DIN6912, DIN7984,ISO4762, JIS B1176
Measurement system: INCH, Metric
Size: 1/4”-3”, M5-M64
Grade / Class: ASTM A574, Class 8.8, 12.9
Thread: M, UNC, UNF
Finish: Black Oxide, Zinc Plated(Clear/Blue/Yellow/Black),H.D.G , Y.Z.P ,Plain, Nickel, Chrome.

Hex washer head self-drilling screws are mechanical basic parts and are in great demand. Usually self-drilling screws are used to ensure safety or generally do not consider the adverse effects of temperature or other dangerous conditions. Commonly used materials are carbon steel and stainless steel. However, in certain occasions, fastener materials need to meet severe corrosion or high strength conditions, and many stainless steel and ultra high strength stainless steels have emerged.

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).

When using countersunk head self drilling screws, there is no need for auxiliary machining on the surface and inside of the connected parts. The countersunk head self drilling screws can be drilled directly on the setting materials and foundation materials, tapping and locking, and can be quickly completed. It can be quickly and automatically drilled and directly rotated. Tightly fixed; the construction efficiency of self-drilling screws is extremely high; the construction time is saved to the utmost extent, the engineering construction efficiency is improved, and the economic benefit of the boss is improved.

The pan head self-tapping screw is composed of two parts: a head type and a thread type. Pan head is a type of head that is very common in our daily life, referred to as P head. The head groove type can be designed as a cross groove, a plum blossom groove, an addition and subtraction groove, a hexagonal groove, and the like.

The common materials for pan head tapping screws are carbon steel and stainless steel. No matter which material, we can customize it according to your needs.