Product Description
CMT Dowel Drill 9 x 27 x 57.5mm Right-Hand by CMT is a solid carbide boring bit engineered for fast, clean blind-hole drilling in furniture manufacturing, cabinet making, and panel processing applications. Built entirely from premium super micrograin carbide, this short-series dowel bit delivers the bore quality and edge longevity that high-speed boring machines and CNC routers demand. Whether you are drilling dowel connection holes in hardwood, MDF, particle board, or veneered panels, this right-hand rotation bit is designed to maintain precision across extended production runs.
Key Features
- Solid Super Micrograin Carbide Construction (HW Material) - the entire bit is formed from a single unit of premium quality super micrograin carbide, eliminating the brazed-tip weak point and enabling an almost infinite number of resharpenings, which dramatically reduces long-term tooling cost.
- 2 Curved, Negatively Ground Spurs (V2) - the uniquely shaped spurs shear fibers cleanly at the perimeter of the bore before material is removed at center, producing exceptionally clean bore walls with no rough edges or tearout, even in laminates and veneered panels.
- Center-Balanced Tip with Plunge Edge to Center - the plunge edge runs all the way to the center of the bit, reducing drilling resistance and increasing production speed while keeping the bore accurately positioned without wandering.
- 2 Cutting Edges, 2 Spiral Flutes (Z2) - dual flutes efficiently evacuate chips from the bore, preventing re-cutting of waste material and maintaining consistent hole quality through continuous drilling cycles.
- Oversized Cylindrical Head - the cylindrical head is larger than traditional tip designs, providing superior resistance to prolonged use and extending the interval between sharpenings, which reduces machine downtime.
- Extreme Sharpening Rating - rated for extreme sharpening, this bit can be reground repeatedly without loss of structural integrity, making it a long-term investment rather than a disposable consumable.
- Right-Hand Rotation (RH) - optimized for standard right-hand spindle configurations on multi-spindle CNC boring machines and panel processing centers, ensuring compatibility with the most common industrial setups.
- 10 x 27mm Parallel Shank with Driving Flat - the parallel shank with driving flat seats securely in standard boring machine chucks and adapters, preventing slippage under load and maintaining positional accuracy.
Why This Product
- Built for difficult composites and hardwood alike - the solid micrograin carbide construction handles abrasive materials such as particle board, MDF, HDF, and veneered panels that wear out conventional steel or carbide-tipped bits far more quickly, making it a reliable choice across a wide range of panel processing applications.
- Clean bores without secondary finishing - the negatively ground, curved spur geometry and center-balanced tip work together to produce flat-bottom holes and tear-free bore walls in a single pass, eliminating the need for rework or secondary cleanup operations in production environments.
- Resharpening capability reduces total cost of ownership - because the bit is a solid carbide unit rather than a brazed assembly, it can be resharpened an almost unlimited number of times, spreading the initial investment across a far longer service life compared to disposable tooling.
- Dimensionally matched for furniture and cabinet dowel joinery - at 9mm diameter with a 27mm cutting height and 57.5mm overall length, this bit is purpose-sized for standard dowel connection drilling in furniture manufacturing and cabinet assembly lines.
Specifications
- Manufacturer Part Number: 310.090.41
- Brand: CMT Orange Tools
- Diameter: 9mm
- Cutting Height: 27mm
- Total Length: 57.5mm
- Shank: 10 x 27mm
- Rotation: Right-Hand (RH)
- Number of Spurs: 2
- Number of Teeth: 2
- Material: HW (Solid Carbide)
- Sharpening: Extreme
Approved Applications
- Drilling blind holes for dowel connections in furniture manufacturing
- Panel drilling in cabinet making and case construction
- Boring in hardwood and solid wood components
- Drilling in particle board and chipboard panels
- Boring in MDF and HDF sheet materials
- Drilling in veneered panels and coated composite boards
- High-speed boring unit production runs
- CNC router and CNC boring center operations
Frequently Asked Questions
What materials is this dowel drill rated for?
This bit is specifically designed for hardwood, particle board, MDF, and veneered wood. The solid super micrograin carbide construction handles abrasive composites that would rapidly degrade conventional tooling, making it well suited for high-volume panel processing in demanding production environments.
Can this bit be resharpened, and how many times?
Yes. Because the bit is constructed as a single solid carbide unit rather than a brazed tip on a steel body, it can be resharpened an almost infinite number of times. The solid construction also adds an extra margin of safety during the resharpening process compared to tipped assemblies.
What machines is this bit compatible with?
This bit is designed for use on high-speed boring units and CNC routers. The 10 x 27mm parallel shank with driving flat is compatible with standard boring machine chucks and adapters used on multi-spindle CNC boring machines, CNC boring centers, and panel processing centers. The right-hand (RH) rotation matches standard spindle configurations on these machines.
What makes the spur geometry on this bit different from standard dowel drills?
The spurs on this bit are curved and negatively ground, which means they shear the material at the edge of the bore with a slicing action rather than scraping it. This produces exceptionally clean bore walls and flat-bottom holes with no rough edges, which is critical for tight-fitting dowel joints in hardwood and veneered or laminated panel materials.
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