I'm a fastener factory in Haiyan Zhejiang China.We produce the hex bolts, carriage bolt, hex nuts and unstandard bolts and nuts.
1) Description: hexagon steel bolts
2) Standard: DIN,ANSI/ASME,BS,AS
3) Nominal size: M3-M36 1/4- 1-1/2'' inch
4) Surface: black, yellow zinc, white zinc, white blue zinc, H.D.G. , Dakeluo .
5) Grade of strength: 4, 6, 8,10,12(2,5,8)
6) Materials: SWRCH8A, SWRCH35K, Q195LY, 35#, 45#, 40CrMo......
7) Packing:Paper carton or bag in a stronger pallet.
8) We can produce the Non-standard fasteners according to drawings or the samples.
You could contact me by the follow informations.