CMT 310.080.41 Dowel Drill 5/16" x 27 x 57.5mm RH is a premium solid carbide boring bit engineered by CMT for clean, precise blind hole drilling in furniture manufacturing, cabinet making, and panel processing applications. Built entirely from super micrograin carbide sourced from Ceratizit in Luxembourg, this short-series dowel drill delivers exceptional bore quality and long service life in demanding production environments including CNC routers, multi-spindle boring machines, and high-speed boring units. Whether you are drilling dowel joints in hardwood, routing holes through MDF, or boring into particle board and veneered panels, this bit provides the accuracy and durability that professional woodworkers and industrial operators require.

Key Features

• Solid Carbide Construction (HW Material) - the entire bit is made from premium super micrograin carbide, not just the tip, giving it far greater resistance to wear and enabling an almost infinite number of resharpenings for long-term value in high-volume production.
• Curved, Negatively Ground Spurs (2 Spurs) - the unique tip geometry produces exceptionally clear bores with no rough edges, delivering clean entry points critical for furniture joints and visible panel surfaces.
• Centre Point Balanced Design - balanced centre point ensures accurate hole placement and reduces runout, helping maintain consistent dowel alignment across repeated drilling cycles.
• Plunge Edge Extending to Bit Centre - reduces drilling resistance and increases production speed, allowing faster cycle times on CNC boring centers and multi-spindle machines without sacrificing hole quality.
• Oversized Cylindrical Head - larger than traditional boring bit heads, this design is extremely resistant to prolonged use, maintaining structural integrity through extended production runs.
• 2 Cutting Edges and 2 Spiral Flutes (Z2) - dual cutting edges and flutes work together to efficiently evacuate chips and maintain a flat-bottom hole profile ideal for blind-hole dowel connections.
• Extreme Sharpening Grade - precision-ground to an extreme sharpening standard, meaning each resharpening restores near-factory cutting performance, reducing tooling replacement costs over time.
• Parallel Shank with Driving Flat (10 x 27mm Shank) - the parallel shank with driving flat and adjustable screw length ensures secure tool holding in standard boring machine collets and CNC tool holders, preventing bit slippage during operation.
• Right-Hand (RH) Rotation - compatible with standard right-hand spindle configurations on the vast majority of boring machines and CNC routing centers used in furniture and cabinet production.
• Ideal for Hardwood and Difficult Composites - solid carbide construction handles chipboard, particle board, MDF, veneered wood, and other demanding engineered materials that quickly dull steel-bodied bits.

Why This Product

• For shops running high-speed boring units or CNC routers on demanding materials like MDF, veneered panels, and particle board, the all-carbide body resists the abrasive wear that defeats conventional carbide-tipped bits - keeping the tool cutting longer between service intervals.
• The curved, negatively ground spur geometry means cleaner bore walls on every hole, which directly reduces the need for secondary cleanup and helps achieve tighter, more professional dowel joints in furniture and cabinetry.
• Because the bit is a solid carbide unit rather than a brazed tip assembly, it can be resharpened almost indefinitely - making this a long-term tooling investment rather than a disposable consumable.
• The plunge edge running all the way to the centre of the bit actively reduces drilling resistance, which translates to higher production throughput on multi-spindle boring centers where cycle time directly affects output capacity.

Specifications

• Manufacturer Part Number: 310.080.41
• Brand: CMT Orange Tools
• Diameter: 5/16"
• Cutting Height: 27mm
• Total Length: 57.5mm
• Shank: 10 x 27mm
• Number of Teeth: 2
• Number of Spurs: 2
• Rotation: RH (Right-Hand)
• Material: HW (Solid Carbide)
• Sharpening Grade: Extreme

Approved Applications

• Blind Hole Drilling for Dowel Connections
• Furniture Manufacturing
• Cabinet Making
• Panel Drilling and Processing
• Drilling in Hardwood
• Drilling in Particle Board and Chipboard
• Drilling in MDF and HDF
• Drilling in Veneered Wood and Coated Panels
• High-Speed Boring Unit Operation
• CNC Router and CNC Boring Center Operation