5/16" BLACK OXIDE DRILL BIT
*Drill Size: 5/16 in.
*Overall Length: 4-1/2 in.
*Material: Black Oxide
*Product Type: Drill Bit
*Number in Package: 1 pc.
*Shank Type: Round Shank
*Packaging Type: Carded
*Features a 135 degree split point for enhanced hole drilling performance, including quick starts and clean, burr free holes
* Parabolic flute design improves chip ejection in metal and wood drilling applications
* Black oxide coated for greater wear resistance
* Tapered web eliminates the frustration of bit spinning in the chuck
* Patented core diameter reduces breakage