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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 raw materials, there are stainless steel and iron. There are stainless steel SUS202 hexagon socket cylinder head screws. This is a common material of stainless steel. There are stainless steel SUS304 hexagon socket cylinder head screws and stainless steel SUS316 hexagon socket cylinder 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.
1 Name
Hexagon socket head cap screws
2 Uses
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.
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.
3 Countries Norms
The national standard of hexagon socket head screws is national standard GB70.1-2000, and there are many standard sizes. Commonly used 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.
The national standard of hexagon socket head screws is national standard GB70.1-2000, and there are many standard sizes. Commonly used 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.
