Hot-selling Heavy Hex Bolt A325/A490
With sophisticated technologies and facilities, strict top quality handle, reasonable value, exceptional support and close co-operation with clients, we are devoted to furnishing the ideal worth for our clients for Hot-selling Heavy Hex Bolt A325/A490, We welcome prospects, organization associations and close friends from all pieces with the globe to get in touch with us and look for cooperation for mutual gains.
With sophisticated technologies and facilities, strict top quality handle, reasonable value, exceptional support and close co-operation with clients, we are devoted to furnishing the ideal worth for our clients for China Heavy Structural Hex Bolts and Steel Fastener, With more and more Chinese goods around the world, our international business is developing rapidly and economic indicators big increase year by year. We now have enough confidence to offer you both better products and solutions and service, because we’ve been more and more powerful, professional and experience in domestic and international.
Description:
Equivalent standard:
National standard GB: GB / T 5783
International ISO: ISO 4017
American standard ANSI / ASME: ANSI / ASME B 18.2.3.1M
European standard EN: EN 24017
Italy UNI: UNI 5739
NF, France: NF E 25-114
Seal IS: IS 1364 (-2)
Hexagon head screw Hex cap screw and large hexagon bolt Hex bolt, as the name suggests, are designed to use a wrench for rotation. Hexagon bolts are the most widely used class of bolts. Its class A and class B bolts are used for important, high assembly accuracy requirements, and withstand large impact vibration or alternating loads. Class C bolts are used for rough surface and assembly accuracy is not high. The thread on the bolt, are generally ordinary thread, fine teeth ordinary thread bolt self-locking property is good, mainly used for thin wall parts or withstand impact, vibration or alternating load occasions. General bolts are made of partial thread, full thread bolts are mainly used for a short nominal length of bolts and longer thread requirements occasions.
