CMT 317.250.12 Hinge Boring Bit 25 x 57.5mm LH BPPC Black Powder Coated Bearing Plate this 2-cutter head SDS-max bit

this 2-cutter head SDS-max bit features proprietary flute geometry that reduces vibration

repeatable milling operations

outdoor exposure

34 inch thread pitches and 34 metric thread pitches for broad threading capability

CMT 317.250.12 Hinge Boring Bit 25 x 57.5mm LH BPPC Black Powder Coated Bearing Plate this 2-cutter head SDS-max bitThe CMT 317. 250 is a (Hinge Boring Bit (57. 5mm)). Hinge boring bit for drilling flat bottom hinge cup holes in cabinet doors and face frames. The flat bottom geometry is required for European style concealed hinges. Rotation: Left hand (LH). SPECIFICATIONS Diameter (D) 25mm Total Length (L) 57. 7mm Shank (S) 10x26mm Tooth Geometry Negatively ground spurs Spurs 2 Number of Teeth 2 Product Type Hinge Boring Bit Series Hinge Boring Bit (57. 5mm)