1/4 inch Size HSS Pilot Drill Bit for Bi Metal Hole Saw

1.High speed steel and diamond ground, leaving them sharper and with a longer drilling life than other bits made from high carbon steel;

2.It features a thicker core than a standard pilot bit, which provides ultimate strength and protects against side-load breakage;

3.A specially designed parabolic flute form clears chips and debris fast to keep the bit cool;

4.A precision start, 135º split point tip starts on contact to keep the bit from walking for fast, accurate holes;