1 / 9

1 / 9
Milwaukee MX4 SDS-Plus 4-Cutter Carbide Drill Bit, 5/16 in. x 12 in.
20%OFF
$13.58
$16.97Save $3.39
Engineered for maximum durability, these MX4 4-cutter bits feature solid carbide heads and rebar guards for up to 5x longer life in concrete. The advanced variable flute design removes dust faster to reduce heat, delivering up to 20% more holes per battery charge.
In Stock
Money-back guarantee
Free 30-day returns
100% Authentic
Official brand warranty
Ships from USA
Fast US warehouse dispatch
Secure checkout
256-bit SSL encrypted
We accept


Engineered for maximum durability, these MX4 4-cutter bits feature solid carbide heads and rebar guards for up to 5x longer life in concrete. The advanced variable flute design removes dust faster to reduce heat, delivering up to 20% more holes per battery charge.
- 4-Cutter design prevents lock-up in rebar to reduce downtime
- Solid carbide heads and rebar guards provide up to 5x longer life in hard aggregate
- Variable flutes remove dust faster, reducing heat and delivering 20% more holes per battery charge
- Sharp centering tips allow for exact spot drilling in concrete and metal decking
- Integrated wear mark indicator signals when the bit no longer meets ANSI requirements
- German-made quality meets ANSI B212.15 to fit common anchors
- Compatible with all SDS-Plus rotary hammers








