Meet the Diablo DMAPL4055 Rebar Demon SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit—the tough, precise tool engineered for reinforced concrete and stubborn rebar. Built for pros who want speed without sacrificing durability, this bit hits harder, lasts longer, and stays cooler under pressure.

Key Features & Design

• Size: 3/16" x 10" x 12"
• Head Type: Rebar Demon™ SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit
• Dura-Carbide™ Technology: Diablo’s Dura-Carbide™ features up to 2X more carbide that withstands up to 1800°F of intense heat to combat rebar hits versus standard bits that fail at 800°F
• Impact-Resistant Design: 4-Cutter Full Carbide Head extracts smaller bites of rebar for controlled, consistent carbide wear and reduced vibration to deliver fast, precise holes
• Tri-Metal Fusion Welding: Features up to 3X stronger weld to keep the full carbide head intact during extreme impact such as rebar
• Precision Tip: Delivers stability and accuracy required for fast, precise holes
• Application: Reinforced concrete and concrete
• Ideal For: Up to 7X longer life versus standard 2-cutter hammer drill bits

Whether you’re anchoring into reinforced concrete or tackling tough substrates, the Diablo DMAPL4055 is built to keep you moving with less downtime and more reliable, clean holes. Precision, durability, and heat resistance come standard—so you can focus on the job, not the bit.