CMT 317.250.12 Hinge Boring Bit 25 x 57.5mm LH Collated Exterior Wood Screws What makes the body material

What makes the body material of this drill bit particularly durable

The combination of Dura-Carbide tips and an optimized four-flute flute design addresses the two most common causes of premature bit failure - heat buildup and impact stress - so you spend less time changing bits and more time drilling

This all-thread rod meets UNC Class 2A or 1A thread specifications

How does the double nut backlash design improve milling accuracy

CMT 317.250.12 Hinge Boring Bit 25 x 57.5mm LH Collated Exterior Wood Screws What makes the body materialThe 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)