Made of super-strength steel, spiral portion coated with orange PTFE, T.C.T. head with precision balanced center point. 2 Cutting edges, 2 spiral flutes, parallel shank with driving flat and length adjusting screw.
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![CMT 374.080.12 4 Flute Dowel Drill for Through Holes, 5/16-Inch Diameter, 10x20mm Shank, Left-Hand Rotation](http://www.toolmanshop.com/cdn/shop/products/474_206_fz_374_1d5eb7e8-0f1e-4bf3-9f45-ccc5b85bc626_1200x.jpg?v=1571311511)
Made of super-strength steel, spiral portion coated with orange PTFE, T.C.T. head with precision balanced center point. 2 Cutting edges, 2 spiral flutes, parallel shank with driving flat and length adjusting screw.