CMT 307.060.12 Dowel Drill 6 x 40 x 67mm LH Standoff Column Bases 11 is a Upcut Spiral

11 is a Upcut Spiral Bit (Alternate Series)

02 is a Downcut Spiral Router Bit

more positive mechanical connection between the post and the deck or concrete surface

Predeflected body virtually eliminates deflection due to material stretch

Transverse rupture strength 2

CMT 307.060.12 Dowel Drill 6 x 40 x 67mm LH Standoff Column Bases 11 is a Upcut SpiralThe CMT 307. 060 is a 6 diameter 4 Flute Dowel Drill (Medium Series). Designed for blind hole drilling in solid wood, chipboard, MDF, and laminates. Medium length body for panels requiring deeper boring depth. Rotation: Left hand (LH). SPECIFICATIONS Product Type 4 Flute Dowel Drill Series Medium Series Nominal Diameter 6 Cutting Length 40mm Overall Length 67mm Shank 8mm parallel shank with driving flat Number of Flutes 4 Blade Material Carbide Tipped