1. Din 975, class 4.8, class 8.8
2. UNC, 2A, grade 2, grade 5, ASTM A193 B7
3. Size: M6 to m75 or 1/4" to 3".
4. Length: 50mm to 4000mm or 2" to 12' (12 feet)
5. Finish: Plain, zinc plated, hot dip galvanized.

Features:
Thread rolling after heat-treatment for high strength products.
This special procedure guarantees the excellent performance of thread.