Drill Bits products from NINGBO HONGDI MEASURING TAPE INDUSTRY CO.,LTD..

This screwdriver bit is engineered with vacuum heat treatment for 6.5 times higher performance. Constructed from S2 steel, it offers superior hardness, high torsion resistance, and high precision.

This high-performance screwdriver bit is designed for demanding applications. It features vacuum heat treatment, resulting in enhanced performance and durability.

This screwdriver bit is constructed from S2 steel and features vacuum heat treatment. The heat treatment enhances performance, making it suitable for high-precision and high-torque applications.