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Milwaukee Spline 4-cutter rotary hammer bits feature a four-cutting-edge carbide head designed to drill more precise holes with up to three times more life than 2-cutter bits when working masonry with rebar. The extra cutting edges power through hard aggregate and reinforcement that can slow or deflect a standard bit, so you stay on target in tough concrete.
Great Lakes Power Tools carries Milwaukee Spline 4-cutter bits in a range of larger diameters and lengths for your Spline rotary hammer, ideal for heavy concrete drilling and rebar-reinforced work. Whatever the hole, there's a 4-cutter Spline bit here to match your hammer and application.