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Made of high-quality 45# steel, which is high strength and hardness.
Adopting the integral quenching process, the drill sleeve is more impact-resistant, longer life and higher precision.
After three grinding processes, the concentricity and roughness of the product are guaranteed.
Hardness: HRC 44 - 48; Accuracy: RA<0.005 mm.
For the usage of Morse taper shank, taper shank drills, reamers reducing.
Feature: Made from high quality 45# steel. For the usage of Morse taper shank, taper shank drills, reamers reducing. Adopts overall quenching process, long life, lasting, strong shock-resistance. High accuracy, inside and outside are very smooth. Easy to store and maintain, very useful. Specifications: Material: 45# steel Accuracy: 0.015mm Hardness: 45 HRC Total Length: 92mm Package includes: 1pc Morse Taper Adapter