The hexagon socket bolts produced by our company are divided into grades 4.8, 8.8 and 10.9.Can be customized according to your needs

Hexagon socket bolt

Specification: Metric M6-M39
米制:3/8-16UNC-2-8UN

National standard: GB/T 70.1-2008 hexagon socket head screw
Machinery: JB/ZQ 4352-2006 hexagon socket head screw
German standard: DIN 912-1983 hexagon socket head screw
American Standard: ASME/ANSI B 18.3-2003 hexagon socket head screw
International: ISO 4762-2004 hexagon socket head screws
Japanese standard: JIS B 1176-2006 hexagon socket head screw
Italian standard: UNI 5931 hexagon socket head screw