Item #: 48-20-3904 / 48-20-3954 / 48-20-3918 / 48-20-3905

The Milwaukee MX4™ 4-Cutter SDS MAX Rotary Hammer Drill Bits with solid head carbide deliver up to 5x longer life in concrete with rebar. Engineered with rebar guards to provide maximum durability in hard aggregate and rebar. We designed our MX4™ 4-Cutter bits with sharp centering tips for exact spot drilling in concrete. The integrated 4-cutter design prevents lock-up in rebar, reducing downtime. Optimized flutes remove dust faster, reducing heat and delivering up to 15% more holes per battery charge. The wear mark indicator on each drill bit shows you when they no longer meet the ANSI requirement. These MILWAUKEE® MX4™ 4-Cutter Drill Bits are ideal for concrete with rebar and masonry applications.

Solid head carbide delivers up to 5x longer life in concrete with rebar
Rebar guards for maximum durability in hard aggregate and rebar
Sharp centering tip for exact spot drilling in concrete and metal decking
4-cutter design prevents lock-up in rebar, reducing downtime
Optimized flutes remove dust faster reducing heat & delivering up to 15% more holes per battery charge
German Made
Meets ANSI B212.15 to fit common anchors
Wear Mark Indicators to show end of life and when bit no longer meets the ANSI requirement
Ideal for concrete with rebar and masonry
Fits all SDS-MAX rotary hammers

Part #	48-20-3904	48-20-3954	48-20-3918	48-20-3905
Useable Length	16"	17"	16"	24"
Cutting Depth	16"	17"	16"	24"
Hole Diameter	1/2"	1"	5/8"	1/2"
Flute Length	16"	17"	16"	24"
Type	4-Cutter	4-Cutter	4-Cutter	4-Cutter
Diameter	1/2"	1"	5/8"	1.2"
Style	SDS-Max	SDS-Max	SDS-Max	SDS-Max
Material Application	Concrete	Contrete	Concrete	Concrete
Shank Size	45/64"	45/64"	45/64"	45/64"

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