Alteco DD 4430 (13539)

Diablo's revolutionary, complete range of SDS-Plus Rebar Demon 4-cutter full-carbide head hammer bits is the first full line of bits designed to be the strongest, most durable and fastest solutions on more→the market. Diablo's ultra-hardened, full-carbide head bits withstand the stress of high powered hammer drills and the impact of rebar cutting, delivering extreme durability and strength. Produced with Tri-Metal Diffusion Bonding technology, the full-carbide head resists heat and prevents breakage for maximum life and productivity. Precision Tip delivers the stability and accuracy required to produce fast, precise holes in concrete with rebar for ANSI approved anchor setting. Diablo hammer bits …

For rotary drilling only. Includes 5/32 pilot bit which must be used first. Ideal for drilling porcelain tiles up to a scratch hardness of 8. The drill bit will not walk, tape or center punching is no more→longer needed. Flat bottom parabolic flute ensures fast and efficient removal of drill dust and prevents clogging. Cuts nice, clean holes with very little or no chipping; operate drill motor 400-600 RPM

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.