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Milwaukee 3/4 in. x 21 in. MX4 SDS-MAX 4-Cutter Carbide Masonry Drill Bit
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$56.67
$62.97Save $6.30
Engineered with a 4-cutter design and rebar guards, these MX4 bits deliver up to 5x longer life in concrete with rebar. Variable flutes accelerate dust removal to reduce heat, delivering up to 15% more holes per battery charge.
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Engineered with a 4-cutter design and rebar guards, these MX4 bits deliver up to 5x longer life in concrete with rebar. Variable flutes accelerate dust removal to reduce heat, delivering up to 15% more holes per battery charge.
- 4-Cutter design prevents lock-up in rebar to reduce downtime
- Variable flutes remove dust faster, reducing heat and increasing holes per battery charge by up to 15%
- Solid carbide heads with rebar guards provide up to 5x longer life in concrete with rebar
- Sharp centering tips allow for exact spot drilling in masonry and concrete
- Integrated wear mark indicator signals when the bit no longer meets ANSI requirements
- German-made quality designed to fit all SDS-MAX rotary hammers
- Meets ANSI B212.15 to ensure compatibility with common anchors








