CMT 310.040.21 Dowel Drill 4 x 20 x 57.5mm RH Holdowns and Tension Ties Clear Length (CL): 1-3/4 in

Clear Length (CL): 1-3/4 in

The built-in 1-inch standoff design helps prevent rot at the end of the post by keeping the wood elevated and away from direct contact with the concrete surface

Height (H): 11-7/8 in

making the fasteners virtually invisible once the boards are installed

CMT 310.040.21 Dowel Drill 4 x 20 x 57.5mm RH Holdowns and Tension Ties Clear Length (CL): 1-3/4 inThe CMT 310. 040 is a 4 diameter 2 Flute Dowel Drill (Short Series (57. 5mm)). Two flute design for blind hole drilling in solid wood, chipboard, MDF, plastics, and laminates. PTFE coating prevents pitch and adhesive buildup. Rotation: Right hand (RH). SPECIFICATIONS Product Type 2 Flute Dowel Drill Series Short Series (57. 5mm) Nominal Diameter 4 Cutting Length 20mm Overall Length 57. 5mm Shank 10mm parallel shank with driving flat Number of Flutes 2