M3-M12 Countersink Step Drill Bit 90° 180° Chamfer M35 HSS Cobalt Straight Shank
Material:M35 with cobalt. Angle: 90° and 180°. Features:Countersinking holes in a single operation.
Material:M35 with cobalt. Angle: 90° and 180°. Features:Countersinking holes in a single operation.