Yonico 44114L 1/4-Inch Through Hole Boring Bit - Left Hand - 57mm Length 10mm Shank

• This left handed through hole boring bit has a 1/4" diameter and a 27mm cutting depth. The shank is 10mm in diameter with a 20mm length. The shank also has a driving flat and a length adjustment screw.
• Drill through bore holes for dowels, pins and screws
• Carbide tipped for quality, durability and performance
• Compatible with all standard drill press chucks

Carbide tipped through hole boring bits are designed to drill completely through the wood and produce clean dowel holes while eliminating break out. The smooth non-stick coating helps the wood chips slide up the bit and out of the hole while drilling. 10mm shank with driving flat and length adjusting screw.