... -160 4Grade: 8.8,10.9,12.9 Railway fastener torshear high tension bolt 10.9 >> We manufacture ASTM E1852 & ... Q345D,etc. 2.Surface: Black, zinc-galvanization, hot dip galvanization, electro galvanization,plain 3. Size: M5-160 and ... according to customers' requirements4. Grade: 8.8,10.9,12.9 5. Standard:ASTM E1852 & GB/T 3632 and ... Welcome your visit! Railway fastener Class10.9 torshear high tension bolt