Bolt Diameter 4mm- 36mm,
Length: 6mm - 500mm;
Bolt Inch diameter ranges: 6#- 11/2"
Length: 1/2"- 18".
The bolts grade: Grade 4.8, Grade 6.8, Grade 8.8 and Grade 10.9
Hex nuts grade: Grade5, Grade8 and Grade 10,
Surface treating: Original color, blacken, plated zinc, hot dipped galvanized zinc and Dacromet zinc.