Xiaomi Mijia Electric Screwdriver (MJDDLSD001QW)

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.

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 …

"The Milwaukee Red Helix Cobalt 7/16"" 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 degrees Helix Angle which ends at 15 degrees. The 135 degrees 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."