Ryobi R18DDBL-LL25B (5133002439)

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 degree cutting edge which ends at 15 more→degree, The quad edge tip delivers a precision start and four cutting edges to create smaller chips. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes.

Milwaukee Thunderbolt pilot bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard pilot bit, which provides ultimate strength and protects more→against side-load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. A precision start, 135 deg. split point tip starts on contact to keep the bit from walking for fast, accurate holes. Excellent for drilling on curved surfaces, requires less effort to drill and is highly recommended for use with portable drills.

Irwin rotary percussion bits has patented flute geometry to remove dust from the hole quicker for fast drilling and long life.