Specifications and uses of hexagon socket screws


Introduction to the specifications and uses of hexagon […]

Introduction to the specifications and uses of hexagon socket screws

Cylinder-head hexagon socket screws, also referred to as hexagon socket bolts, cup-head screws and hexagon socket screws, are called differently, but they represent the same meaning. Commonly used hexagon socket head screws also have 4.8, 8.8, 10.9, and 12.9. Also called hexagon socket screws, also called hexagon socket bolts. Its head is hexagonal and cylindrical. According to the material, there are stainless steel and iron. There are stainless steel SUS202 hexagon socket head cap screws. This is a common stainless steel material. There are stainless steel SUS304 hexagon socket head screws and stainless steel SUS316 hexagon socket head screws. The iron is classified according to the strength grade of the hexagon socket head screw. There are 4.8 grade hexagon socket head screws, 8.8 grade hexagon socket head screws, 10.9 grade hexagon socket head screws, and 12.9 grade hexagon socket head screws. Class 8.8-12.9 hexagon socket head screws are called high-strength, high-grade hexagon socket bolts. Standard No. StandardNo: GB/T 70.1-2008.
Product Usage
Similar to countersunk head screws, the nail heads are embedded in the machine parts, and the connection strength is greater, but the screws must be assembled and disassembled with the corresponding specification Allen wrench. Generally used on various machine tools and their accessories.
The national standard of hexagon socket head screws is GB70-1985, and there are many specifications and sizes. Common specifications are 3*8, 3*10, 3*12, 3*16, 3*20, 3*25, 3 *30, 3*45, 4*8, 4*10, 4*12, 4*16, 4*20, 4*25, 4*30, 4*35, 4*45, 5*10, 5*12 , 5*16, 5*20, 5*25, 6*12, 6*14, 6*16, 6*25, 8*14, 8*16, 8*20, 8*25, 8*30, 8 *35, 8*40 and so on.