HEX HEAD SERIES are required mainly for construction project ,wind energy, Electronic&communication and other power plants.

Standard Spec: DIN933,DIN931,DIN6914; A325-Type 1/2/3, A490, A-10; BS3692
Diameter: M4~M72 (8# ~ 4'')Length:6-1000mm
Material: Carbon Steel, Alloy Steel, Stainless Steel Steel: ISO898: 4.8 ~ 12.9; ASTM A307, A354, A449, SAE J429 Gr.2~Gr.8Stainless Steel: ISO3506: A2 (50 ~ 80), A4 (50 ~ 80), C1, C3, ASTM F593, F594, F738M