Details of the black oxide carriage bolt
1) Standard of black oxide carriage bolt: DIN603, ANSI B18.5. and Non-standard (according to your samples or drawing).
2) Material of black oxide carriage bolt: Carbon steel, stainless steel, Alloy steel (Medium carbon steel and Ally steel used for high Grade fasteners)
3) Grade of black oxide carriage bolt: Grade4.6 to Grade 12.9.Grade2-Grade10
4) Dimension of black oxide carriage bolt: Metric size from 5mm-20mm, Inch size from 1/4"_3/4".
5) Length of black oxide carriage bolt: 10MM to 1000mm.Inch size from 3/8" to 40"
6) Coating of black oxide carriage bolt: Plain, black finished, Zinc plated (Galv), Hot Dip Galvanized, Nickel, phosphate black, DACRO coating, etc.
7) Packing of black oxide carriage bolt:
General packing: 15-25Kgs per Carbon or Bag, approx 36-60 Carton or Bag per a Pallet.
Small packing: Small box with plastic bag packing, then several boxes or bags in a 25kgs bag or box, 36-60 Carbon or Bags per a Pallet.
black oxide carriage bolt