1.Size and type: 
Bolt: M6-M64 full thread or half thread
Nut: M6-M64 
Threaded Rod:4-2000mm
Plain washers:M3-M39
And heavy hex bolts and nuts with all sizes.

2. Treatment:cold forging/hot forging

3.Materials option: Stainless Steel C276, 904L, 304, 304L,310S, 316, 316L, 321, 317L, 2507, 2205, 254SMO, AL6XN, 1.4501,1.4529,Monel400,Zeron100.
Super duplex stainless steel F55, F51,F53  HastelloyB&C, Inconel, Incoloy ,GH etc.

4.Standards: GB , DIN, JIS, AISI/ASTM/ANSI/AMSE and BS EN, etc.

5.Packing : Cartons then pallet, or wooden box, or by clients' requirements.

6.Exported countries:United States, Germany, Saudi Arabia, South Korea,etc.