CMT 310.040.21 Dowel Drill 4 x 20 x 57.5mm RH Holdowns and Tension Ties making it appropriate for use

making it appropriate for use in regions with elevated seismic or wind design requirements

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

Ties the guardrail post into deck framing

CMT 310.040.21 Dowel Drill 4 x 20 x 57.5mm RH Holdowns and Tension Ties making it appropriate for useThe 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