bolt,hex bolt,hex socket head bolt:
such as ASTM A325 heavy hex bolt , ASTM A307 hex bolt,Din912,Din931,Din933
other hex bolts: track bolt,carriage bolt, Bolt & nut & washer series.
The product standard contains ISO,DIN,JIS,ANSI,BS etc.
Materials: Carbon steel, stainless steel, alloy steel, brass, aluminium.

We also can produce non-standard bolt  according to customer's  drawing and sample.