Brand:shuangmin
Model:933-07
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hexagon bolts(din933&din931)
- ISO9001:2008 certificated
- Material:carbon steel or according to the customers' requirement
- Standard:DIN931,933,914,558/601;BS4933,JIB B118,ASTM F1852,GB T57821...
- Finish:black,zinc,yellow zinc,H.D.G
- Grade:4.8 to 10.9



