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HSS Dura core bits with QuickIN shaft

5% cobalt alloy and surface coating for outstanding service life and excellent glide properties. Metric sizes. drilling depth 35 mm.
Accessory kit consisting of 6 core bits, 14, 16, 18, 20, 22, 26 mm dia., (drilling depth 1-3/8 in/ 35 mm), and a centering pin in a plastic carrying case.