NS Small drill for hard machining MSDH Φ0.7X7 MSDH 0.7X7 1 piece

Catalog number: MSDH 0.7X7 Features: ● Small diameter drill allows drilling into hardened steel 65HRC. ● Hole diameter with little variation and stable long life. ● High hardness steel can be drilled by cutting from φ0.1. Applications: ● Workpiece: Hardened steel (up to 65HRC). Specifications: ● Blade diameter (mm): 0.7 ● Groove length (mm): 1.4 ● Total length (mm): 45 ● Shank diameter (mm): 4 ● Effective machining depth: 10D (blade diameter x 10 times) ● Twist angle (°): 20 ● Surface treatment: Infinite micro coating ● Neck length (mm): 7.0 ● Infinite coating premium ● Twist angle 20° Material/Finish: ● Micro grain carbide