Jacobs Chuck 0065131 DIN 371 Clutch Type Tapping Collet System 2, Tap Size M6 with 6.0mm Tap Shank and 4.9mm Drive Square. This Jacobs DIN 371 tap collet with overload clutch has a tap size no.2 of M6 with a 6.0-mm tap shank and 4.9-mm drive square.
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