our factory can bolt and nut
1.surface treatment: H.D.G
2.finish:4.8-8.8
3.standard:din, BS, ANSI/ASTM
4.high quality

material: carbon steel,35#,45#

(1):D5/8"*L2"

(2):D1"*L3-1/2"

(3)D1'*L4"

(4)D1-1/4"*L4-1/2"

(5)D1/2"*L1-1/2"

(6)D1/2"*L1-3/4"

processes: cold forging and hot forged

way of payment: T/T, L/C