CMT 317.190.12 Hinge Boring Bit 19 x 57.5mm LH Drum Sanders Standard: ASTM F1667

Standard: ASTM F1667

Length: 52-1/2 ft

Height 1: 2-1/4 in

making it suitable for a broad range of threading tasks

while its two interchangeable drilling heads address a range of hole sizes for versatile masonry applications

CMT 317.190.12 Hinge Boring Bit 19 x 57.5mm LH Drum Sanders Standard: ASTM F1667The CMT 317. 190 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) 3 4" 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)