Carriage Bolts

We are offering carriage bolts,
product description
1) standard of carriage bolt: din603,and non-standard (according to your samples or drawing).
2) material of carriage bolt: carbon steel, stainless steel, alloy steel (medium carbon steel and alloy steel used for high grade fasteners)
3) grade of carriage bolt: grade2 to grade 12.9
4) dimension of carriage bolt:
metric size from 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm.
Inch size from 14", 516", 38", 12", 58" 34", 1".
5) coating of carriage bolt: plain, black finished, zinc plated (galv), hot dip galvanized etc.
6) certification of carriage bolt: iso, din,ansi
7) right quality with the reasonable offer, oem design is also acceptable.