Hexagon Screw Bolts introduction and standard specifications

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.
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.

Recommended Products

  • countersunk hand with nib bolts Zinc Plated nonstandard bolt

  • Zinc Plated,Large Slotted Round Head Wall Plate Screws,Grade 4.8,

  • Yellow Zinc Plated,Mini Slotted Pan Head Machine Screws,Grade 4.8,Din7985

  • T shape bolts for slot Non-standard Bolt

    Size: M2.5 to M24 Length: Up to 300mm Standard: Non Standard, we can manufacture as customer's draw...
  • Din965 Cross Recessed Raised Flat Head Machine Screws ,Grade 4.8 , Zinc Plated M2 M3 M4 M5 M6 M8 M10 M12

  • brass Cross Recessed Raised Truss Head Mini Machine Screws,Grade 4.8 6.8 8.8

    Diameter range (mm):M5-M20,3/16-1"Length range (mm):5-300,3/16-12"
  • Yellow Zinc Plated,Mini Torx Anti-theft Truss Head Machine Screws,Grade 4.8

    Diameter range (mm):M5-M20,3/16-1"Length range (mm):5-300,3/16-12"
  • Cross groove Round Head Screw Zinc Plated Grade 4.8

  • Din963 Slotted Countersunk Head Machine Screws ,Grade 4.8 , Zinc Plated M2 M3 M4 M5 M6 M8 M10 M12

  • cup head square neck bolts with small head and small neck

  • Din965 Cross Recessed Raised Countersunk Head Machine Screws ,Grade 4.8 , Zinc Plated M2 M3 M4 M5 M6 M8 M10 M12

  • Flat head Hexagon Bolts Grade 4.8, Zinc Plated M5-M24

    Diameter range (mm):M5-M24,3/16-1’Length range (mm):10-600,1/2-16'