Ryobi RID18X-0

The Milwaukee Red Helix Cobalt 3/8 in. Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a Variable Helix th more→at includes an aggressive 35 deg. Helix Angle which ends at 15 deg. The 135 deg. split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metals, PVC and wood. The tapered drill bits feature a new enhanced tapered web that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide brill bits.

Our Glass and Tile Drill Bit features an exact start tip for clean holes and minimal bit walking in glass and ceramic tile. Engineered with sharpened carbide, Milwaukee glass and tile bits provide fas more→ter tile drilling than standard glass and tile bits. The reinforced carbide head provides increased durability when high-speed drilling into tile and glass. These bits are specifically designed for drilling holes in glass and ceramic tile with drill drivers only.

Milwaukee Thunderbolt Titanium coated drill bits are designed for extreme durability and up to 3X longer life. The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate more→strength and protect against side-load breakage. The titanium coating reduces heat build-up and keeps the bit sharp to extend performance. 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 Titanium Coated bits require less effort to drill through wood, metal and PVC, and are highly recommended for use with portable drills.