1-1/8 in. x 18 in. SDS-Plus MX4 Carbide Drill Bit

Milwaukee’s MX4 SDS‑Plus 4‑Cutter bit features a solid carbide head with rebar guards for maximum durability in concrete with rebar. Variable flutes clear dust fast to reduce heat and extend runtime, while a sharp centering tip delivers precise starts for anchoring and metal decking.

Key Features:

• Solid Head Carbide: Up to 5x longer life in concrete with rebar
• Rebar Guards: Added durability in hard aggregate and rebar strikes
• Sharp Centering Tip: Accurate spot drilling for precise anchor holes
• Variable Flutes: Faster dust removal for up to 20% more holes per charge
• SDS‑Plus Compatibility: Fits all SDS‑Plus rotary hammers

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Is this bit suitable for drilling into concrete with rebar?
A: Yes—its solid head carbide and rebar guards are designed for concrete with rebar.

Q: What shank type does it use?
A: SDS‑Plus shank; fits SDS‑Plus rotary hammers.

Q: What are the bit dimensions?
A: Bit diameter 1-1/8 in.; overall length 18 in.; drilling depth approximately 16 in.

Q: What materials can I drill?
A: Brick, concrete, and concrete with rebar.

Q: Is there a wear indicator?
A: Yes, a wear mark shows when the bit no longer meets ANSI specs.

Engineered Strength with Sleek Precision

This industrial-chic bit brings disciplined precision to heavy-duty projects, carving clean anchor points through unforgiving concrete. The sculptural 4‑cutter head and spiraled flutes feel purposeful and refined, a quiet statement of performance. Style it with a bold red SDS‑Plus rotary hammer and a dust extractor for a streamlined, professional setup. It’s the kind of tool that elevates the jobsite—functional luxury for serious work.

AI Review Summary:

Reviews from major retailers indicate strong durability in reinforced concrete and fast drilling speed; users praise clean holes and long life when encountering rebar. Many note smoother performance with less snagging due to the 4‑cutter head and efficient dust ejection. A minority report slower progress in very hard aggregate or premature dulling when used with excessive heat or inadequate lubrication; some mention higher price versus standard bits. Representative quotes: “Chews through rebar without locking up,” “Holes are spot‑on for anchors,” and “Great bit but pricey; dulled faster on heavy rebar than expected.”

Drill cleaner, longer‑lasting holes in tough concrete—add this Milwaukee MX4 bit to your cart now.

Warranty