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Broca helicoidal de manivela recta reducida, vástago de 21,6mm, 21,7mm, 21,8mm, 21,9mm, 22mm, HSS, 12,7mm, 1/2mm, 21,6 pulgadas, 21,7, 21,8, 21,9, 22|drill bit|twist drill bitdrill bit hss - AliExpress
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