Carriage Bolt
Standard: GB12, GB14, DIN603, DIN604, DIN605, DIN606, DIN607, DIN608, ISO8677, ANSI/ ASME B18.5, JIS B1171 or clients require Specification: Dia. M6 to M64, 1/ 4” to 2-1/ 2” Grade: 4.6 5.6 6.8 8.8 10.9 12.9 or SAE J429, ASTM A307, ASTM A325, ASTM A490