JCB JCB-18BLCD-4-A

Milwaukee Shockwave impact duty titanium drill bits with Red Helix are engineered for impacts and drills. Designed with a variable Helix that with an aggressive 35 deg. cutting edge which ends at 15 d more→eg., The quad edge tip delivers a precision start and four cutting edges to create smaller chips. The 135 deg. split point tip delivers a precision start and prevents walking for fast, accurate holes.

Milwaukee Thunderbolt Black Oxide jobber length drill bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate more→strength and protect against side load breakage. A specially designed parabolic flute form clears chips fast, while the 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Effective for drilling on curved surfaces, Milwaukee Thunderbolt Black Oxide bits require less effort to drill through metal, wood and PVC and are highly recommended for use with portable drills.

IRWIN Turbomax High Speed Steel Straight Shank Jobber Length Drill Bits features revolutionary tip design stays sharper longer and drills up to 10x faster than other leading drill bits