Drop forged head pruning shear
1. Size: 8"(200mm)
2. Material: Upper blade: 65# MN steel
Lower blade: 65# MN steel
Pivot bolt: 35# carbon steel
3. Heat-treatment: By advanced continuous mesh belt temper machines, with hardness:
Upper blade: 54-56HRC
Lower blade: 52-54HRC
Pivot bolt: 28-32HRC
4. Surface finish: scallop machine grinding on blade
5. Handle: 45# carbon steel with metallic lacquered and soft dipped |