We can offer you hex nuts to match hex bolts.
Description of hex bolt (DIN933,DIN931, DIN558, ISO4017)
Material:Low Carbon steel,middle carbon steel, alloy wheel stainless steel 304/316
Diameter:M5-M30
Lenght:10-300mm
Grade:4.8, 5.8, 8.8,10.9,12.9
Finish:PlainZinc,Blank,Nickel,Chrome,H.D.G etc.
Packing:20-25kgs/cartons, 36 cartons/pallet, 22pallets/20" container
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