carriage bolt Surface: zinc plated, black, hot dip, dacromet Size:M6-M8*20mm-400mm Grade:4.8,8.8,10.9,12.9

carriage bolt

1) Various kinds of bolts available

2) Material: Carbon Steel

3) Grade:4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9 and 12.9, inperial grade 2, 5, 8 and 10

4) Finish: Plain, zinc plated, hot-dip galvanized, mechanical plating, black,Nickel

5)Standard: DIN603   ANSI   ISO8677   BS   GB

6)Diameter:5MM-20MM  1/4"---3/4"

7)Length:15MM-300MM  1/2"---12"