Product Description
CMT Forstner Bit - 2" Diameter, 3/8" Shank, Right-Hand is a precision boring tool engineered for drilling clean, flat-bottom holes in softwood. Built from super strength SP steel with a precision-balanced centre point and 2 ground spurs, this 2" forstner bit delivers accurate, repeatable results whether you are installing cabinet hinges, shelf pins, or cutting arched and oval openings at any angle. The toothed rim design on this larger-diameter bit actively manages heat buildup during extended cuts, making it a reliable choice for demanding woodworking and cabinet installation tasks.
Key Features
- Precision-Balanced Centre Point - keeps the bit locked on target from the first plunge, eliminating wander and producing repeatable flat-bottom holes exactly where you need them.
- 2 Precision-Ground Spurs (V2) - score the wood fibre ahead of the main cutting edges so bore walls emerge clean and chip-free, reducing sanding and cleanup time.
- Toothed Rim Design (for diameters >= 25mm) - standard rims provide better guidance at smaller diameters, while the toothed rim on this 2" bit dissipates heat during longer cuts, extending tool life and protecting the workpiece surface.
- Super Strength SP Steel Construction - provides the rigidity and edge retention needed to bore through softwood cleanly and consistently across multiple work sessions.
- 3/8" x 30mm Shank - fits standard drill presses and handheld drills, offering broad machine compatibility without the need for adapters.
- Right-Hand (RH) Rotation - compatible with all conventional right-hand drill presses and portable drills for straightforward setup and use.
- 2" Cutting Diameter - sized for hinge cups, large shelf pin holes, cable pass-throughs, and other hardware-installation bores common in cabinet and furniture work.
Why This Product
- The toothed rim actively manages heat on this large-diameter bit, addressing the overheating problem that standard-rim forstner bits develop when boring diameters at or above 25mm - protecting both the bit and the workpiece.
- The precision-balanced centre point and 2 ground spurs work together to produce flat-bottom holes with clean walls, which is critical for hinge cup installations and hardware recesses that must seat flush and square.
- At 3 - 35/64" total length with a 3/8" shank, this bit fits drill presses and handheld drills commonly found in cabinet shops and on job sites, so no special collet or adapter is required.
- The SP steel body and toothed rim make this bit suited for angled boring as well - allowing oval and arched openings to be cut at any angle without sacrificing bore quality or bit integrity.
Specifications
- Manufacturer Part Number: 537.508.31
- Brand: CMT Orange Tools
- Diameter: 2"
- Total Length: 3 - 35/64"
- Shank: 3/8 x 30mm
- Number of Spurs: 2
- Number of Teeth: 2
- Rim Type: Toothed rim (>= 25mm diameter)
- Blade Material: Super Strength SP Steel
- Rotation: Right-Hand (RH)
Approved Applications
- Drilling precise flat-bottom holes in softwood
- Hinge cup and cabinet hinge installation
- Shelf pin and hardware hole boring
- Creating oval and arched openings at any angle
- Installing cabinet hardware requiring recessed flat-bottom bores
Frequently Asked Questions
Why does this 2" forstner bit use a toothed rim instead of a standard rim?
Standard rims provide better guidance but tend to overheat during use. For larger diameters at or above 25mm - which includes this 2" bit - CMT uses a toothed rim design to overcome that heat buildup, protecting the cutting edges and the wood surface during extended boring operations.
What shank size does this forstner bit use, and will it fit my drill press?
This bit has a 3/8" x 30mm shank, which fits standard drill press chucks and most handheld drill chucks designed for 3/8" shanks. No special adapter is required for compatible machines.
Can this bit be used to cut angled or non-perpendicular holes?
Yes. The precision-balanced centre point and ground spurs allow this forstner bit to create oval and arched openings at any angle, making it useful for decorative millwork and custom cabinet openings in addition to standard perpendicular bores.
What materials is this forstner bit designed to cut?
This bit is designed for drilling precise flat-bottom holes in softwood. The 2 precision-ground spurs score the wood fibre ahead of the cutting edges to produce clean bore walls suited to softwood grain structures.
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