1. Specification: Diameter from M20, M22, M24, M27, M30 or 3/8" to 1-1/8", length from 20mm to 600mm, or 1-1/2" to 26".
2. Grade: 4.6, 4.8, 5.6, 8.8, 10.9, GR2, GR5, GR 8.
3. Protection: Black, White zinc, Yellow zinc, hot dipped galvanized.
2. Grade: 4.6, 4.8, 5.6, 8.8, 10.9, GR2, GR5, GR 8.
3. Protection: Black, White zinc, Yellow zinc, hot dipped galvanized.