BB Center Drill HSS Co M35 Countersink Chamfer Lath Bit A Form 60 Degree Diameter 1 1.5 1.6 2 3.15 4 5 6 for Metal Aluminum

BB Center Drill HSS Co M35 Countersink Chamfer Lath Bit A Form 60 Degree Diameter 1 1.5 1.6 2 3.15 4 5 6 for Metal Aluminum

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