MX4™ Rotary Hammer Drill Bit, 3/8", SDS-Plus Shank, Carbide

Marsoni

M251S

$12.82

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

MX4™ Rotary Hammer Drill Bit, 3/8", SDS-Plus Shank, CarbideEnhanced rebar guards and 4 Cutter 90 head design provide increased life and durability in hard aggregate and rebar Wear Mark Indicators to show end of life and when bit no longer meets the ANSI requirement Breaker Points lead to faster drilling speeds Reinforced Flutes for minimized vibration and maximum durability Specifications Material Carbide Drill Size 3 8" Flute Length 4" Overall Length 6" Shank Type SDS Plus Cutter Geometry 4 Cutter Country Of

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Phoenix, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Carlos C.