CMT 317.180.12 Hinge Boring Bit 18 x 57.5mm LH Self-Drilling Flat-Head Screw with Wings length - sized for steel

length - sized for steel decking

5 suitable for back-to-back installations

What grit wheels are included with this grinder

Sold in a pack of 10 for convenient restocking

Equipped with a Newall DP700 3-axis quill digital readout and X & Y powerfeeds

CMT 317.180.12 Hinge Boring Bit 18 x 57.5mm LH Self-Drilling Flat-Head Screw with Wings length - sized for steelThe CMT 317. 180 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) 18mm 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)