Montana Brand 3/4 in. Alloy Steel Drill Bit with a 3-Flat Shank is built for serious metalworking. With a durable alloy steel core and a black oxide finish, this bit is designed to withstand demanding drilling tasks while delivering clean, accurate holes.
What sets it apart
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Material and finish: Alloy steel core paired with a black oxide coating for enhanced wear resistance and smoother cutting in metal applications.
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3-Flat Shank: Three flat sides grip the chuck more securely, improving torque transfer and reducing slip under higher drilling pressure.
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Drill size and compatibility: 3/4 inch diameter for substantial through-holes, compatible with standard drill chucks that accept 3-flat shanks.
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Packaging: Sold as a single piece in a clamshell package for convenient storage and protection on the workbench.
Ideal use cases
Perfect for workshop metalwork, automotive repairs, fabrication projects, and DIY tasks that require a precise, large-diameter hole in metal. Suitable for mild steel, aluminum, and other alloys when paired with appropriate feeds and speeds.
Practical tips for best results
- Mark your hole location with a center punch to prevent wandering and ensure alignment.
- Use cutting oil or coolant and maintain moderate speed to manage heat and extend bit life.
- Secure the workpiece with clamps and consider a pilot hole if drilling thicker materials.
- Apply steady pressure—let the bit do the work and avoid side loading to maximize durability.
Why choose Montana Brand
Montana Brand delivers dependable tooling designed to tackle the toughest metalworking tasks. This 3/4 in. alloy steel drill bit with a 3-flat shank combines robust construction with precise performance, delivering reliable holes, reduced slippage, and longer tool life in a compact, single-piece package.
