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track bolt standard: GB, ASRM, ISO, As well as according to the customer incoming samples or drawing.
track bolt Type: egged neck /diamond neck , oval head .
Diameter: M6--M64, 1/4"--2-1/2", The length does not limit.
track bolt Grade: 4.6, 5.6, 6.8, 8.8, 10.9, 12.9. Or Grade 2, Grade 5, Grade 8.
track bolt Finish: Black, Yellow Zinc, White Zinc, The Hot Dipping Zinc, chrome-faced.
packing :box , bag , pallet