CMT 316.040.11 Countersink for 4 Flute Drills D=5/32" RH BC Post Base This design feature helps avoid

This design feature helps avoid post-end rot and extends the service life of the post

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Common Shank Design Shank diameter equals drill diameter -- fits directly into CMT 364/365 adapters and bushings for use on boring machine spindles

Allows easy installation of 4x4 wood posts without digging holes or pouring concrete

Orange Chrome Coating Chromium layer electrolytically deposited to increase wear resistance

CMT 316.040.11 Countersink for 4 Flute Drills D=5/32" RH BC Post Base This design feature helps avoidThe CMT 316. 040 is a (Countersink (57. 5mm)). Dowel drill with integrated countersink for drilling and countersinking in one pass. 4 flute version for higher feed rates. Rotation: Right hand (RH). SPECIFICATIONS Diameter (D) 16mm Bore Diameter (F) 4mm Total Length (L) 15mm Cutting Angle (A) 45 degrees Number of Teeth 2 Product Type 2 Flute Dowel Drill with Countersink Series Countersink (57. 5mm) Nominal Diameter Cutting Length Overall Length 57. 5mm