COBALT DRILL BIT 1/4" *Brand Name: Milwaukee *Sub Brand: Red Helix *Drill Size: 1/4 in. *Overall Length: 4.09 in. *Material: Steel *Style: Thunderbolt *Product Type: Drill Bit *Number in Package: 1 pc *Packaging Type: Carded *Shank Type: 3-Flat Shank *Flute Length: 3-3/4 in. *Finish: Cobalt Coated *Discovery ACC, CON, NBR, SUP, EXP