1. The cutting edge is sharp and durable, and the preferred material is solid tungsten steel. 2. Smooth chip removal without sticking to the knife, quality assurance and not easy to break the knife. 3. Suitable for high-speed cutting, long service life, advanced production technology. Specifications 2.5mm. Drilling part length: 12mm. Cutting diameter 2.5mm. Material tungsten steel. Total length 38mm.
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