MX4™ 4-Cutter Rotary Hammer Drill Bit, 7/8

MX4™ 4-Cutter Rotary Hammer Drill Bit, 7/8", SDS-Plus Shank, Carbide

Marsoni

M251S

$76.57

Get it in 3 business days with 1 day shipping. Friday, May 29

MX4™ 4-Cutter Rotary Hammer Drill Bit, 7/8", SDS-Plus Shank, CarbideSolid head carbide for up to 5x longer life in concrete with rebar Centering tip for exact spot drilling in concrete & metal decking Variable flutes removes dust faster for up to 20% more holes per battery charge Meets ANSI B212. 15 to fit common anchors Ideal for concrete with rebar and masonry Rebar guards for maximum durability in hard aggregate and rebar 4 cutter design prevents lock up in rebar, reducing downtime Made in Germany Specifications

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I used this to change the oil on my BMW M8 with the S63 engine. It was a perfect fit. It extended far enough onto the filter housing to be quite secure with no risk of slipping off and stripping the housing. It was snug on the housing and did not bind up due to having a loose fit. The tool feels well-built and I suspect it will outlive me given my occasional personal use. It would still probably hold up well even for daily shop use as long as it was not abused (repeatedly dropped, slammed around, etc).

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Reviewed in the United States on September 8, 2025

Verified Purchase

Chad altenbach

Cuba, US

★★★★★ 5

Made well and great fit

Fits perfectly and is made well

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Reviewed in the United States on May 8, 2026

Verified Purchase

Dalia Toppin