Tri-flute Auger Bit which is also made of 65# high carbon steel is our hot-seiling product.
1) Self feeding screw point provides fast boring in hard and soft woods,for precise and easy drilling.
2) Cutting spurs have 3 cutting edges for added durability,accuracy and faster chip ejection.
3) Grooved hex shank prevents slipping in drill chuck or bit extension .
4) Fits all standard 1/4” quick change chucks.
   http://www.hzgshardware.com