Inside hexagonal bolt
Standard :JIS,DIN,AISI,GB.
Material :Carbon steel,stainless steel,alloy steel.
Finish:plain,black oxide,zinc,nickel,etc.
We are professional manufacturer and exporter for different kinds of fasteners.
We can offer fasteners of many sizes and standards GB,JB, ISO,DIN,ANSI(IFI),BS,JIS,etc.
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Inside hexagonal bolt