Our MX4™ 4-Cutter SDS PLUS Rotary Hammer Drill Bits with solid headcarbide deliver up to 5X longer life in concrete with rebar. Engineeredwith rebar guards to provide maximum durability in hard aggregate andrebar. We designed our MX4™ 4-Cutter bits with sharp centering tipsfor exact spot drilling in concrete and metal decking. 4-cutter designprevents lock-up in rebar, reducing downtime. Variable flutes removedust faster, reducing heat and delivering up to 20% more holes perbattery charge. The wear mark indicator on each drill bit shows youwhen they no longer meet the ANSI requirement. These MILWAUKEE®MX4™ 4-Cutter Drill Bits are ideal for concrete with rebar and masonryapplications. Choose from single bits, bulk packs, or drill bit kits in avariety of sizes. 

• Solid Head Carbide delivers up to 5X longer life in concrete with rebar     
• Rebar Guards for maximum durability in hard aggregate and rebar     
• This product complies with ANSI B212.15 standard     
• Sharp Centering Tip for exact spot drilling in concrete and metal decking    

****Please note, shipping can be combined for a discounted rate IF items are purchased through the same cart at the same time. If you checkout with two separate orders you are indicating to us that you do not want them shipped together.****