Stud bolt,Hex bolts, carriage bolts,Heavy hex bolts,machinery bolts.
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Stud bolt,Hex bolts, carriage bolts,Heavy hex bolts,machinery bolts.
DIN933/931,DIN603,DIN558,ISO4017,ISO4018,ASTMA193 B7
Size:M6-M36 with different size
Grade:4.8,5.8,6.8,8.8
Material mild steel,alloy steel