Standard:

GB/T6170-6176,
ISO4032-4036, 8673-8675,
DIN934,
ASMEB18. 2. 2,
JISB1181,
AS1112,
ASTMA194/194M

Grade:

4, 6, 8, 10, 12

Size:

M6-M100

  Material:

Carbon Steel