CMT 311.111.11 Dowel Drill 7/16" x 35 x 70mm Right-Hand by CMT is a precision-engineered 2-flute carbide-tipped boring bit designed for clean, accurate blind hole drilling in furniture panels, cabinet components, and solid wood assemblies. Built on a super-strength steel body with a hardmetal (HW) cutting head, this right-hand rotation dowel drill delivers flat-bottom bores with smooth walls - making it a go-to choice for dowel joinery, panel processing, and high-volume furniture manufacturing on multi-spindle CNC boring machines and dedicated boring centers.

Key Features

• 2-flute hardmetal (HW) construction on a super-strength steel body - provides the rigidity and edge retention needed for consistent boring in chipboard, MDF, hardwood, softwood, plywood, laminates, and coated panels without rapid wear.
• Precision-balanced centre point - keeps the bit tracking true at entry, reducing wander and ensuring hole placement accuracy critical in furniture joinery and cabinet assembly.
• 2 precision-ground HW cutting edges - deliver sharp, repeatable cuts that produce flat-bottomed blind holes with minimal tearout, reducing secondary cleanup work.
• 2 negatively ground spurs (V2) - score the panel surface cleanly before the main cutting edges engage, producing crisp bore walls free of fiber pull or edge chipping on laminates and coated surfaces.
• Spiral flutes coated with orange or black P.T.F.E. - the low-friction coating resists pitch and resin buildup, keeping flutes clear for efficient chip evacuation and extended tool life between cleanings.
• Parallel shank (10 x 30mm) with driving flat and length adjusting screw - allows quick, secure mounting in multi-spindle boring heads and boring centers with precise depth setting for repeatable blind holes.
• Right-hand (RH) rotation - compatible with the standard spindle direction on the vast majority of CNC boring machines and panel processing centers.
• 35mm cutting height on a 70mm overall length (long series) - provides the reach needed for deeper blind bore applications in thicker panels where standard-length bits fall short.

Why This Product

• The negatively ground spurs combined with precision-ground HW cutting edges make this bit well-suited for clean boring in laminated panels and coated boards where surface tearout is a rejection concern in furniture production.
• The 70mm overall length (long series) gives this dowel drill the reach for deeper blind holes in thicker panel stock - situations where a shorter standard-series bit cannot achieve the required bore depth without bottoming out in the chuck.
• The P.T.F.E.-coated spiral flutes reduce friction and resist resin buildup, meaning fewer interruptions for cleaning and longer productive run time in high-cycle boring operations on chipboard, MDF, and HDF.
• The parallel shank with driving flat and length adjusting screw ensures the bit seats securely and is set to a consistent depth every time - reducing setup variation across multi-spindle runs in cabinet making and panel processing workflows.

Specifications

• Manufacturer Part Number: 311.111.11
• Brand: CMT Orange Tools
• Diameter: 7/16"
• Cutting Height: 35mm
• Total Length: 70mm
• Shank: 10 x 30mm
• Rotation: Right-Hand (RH)
• Number of Spurs: 2
• Spur Sharpening: Negatively ground spurs
• Number of Flutes: 2
• Blade Material: HW (Hardmetal / Carbide)

Approved Applications

• Blind hole drilling for dowel connections and dowel joinery
• Panel drilling on chipboard, MDF, HDF, and coated panels
• Furniture manufacturing and cabinet making
• Boring in solid hardwood and softwood
• Boring in plywood and laminates
• Use on multi-spindle CNC boring machines and CNC boring centers
• Use on panel processing centers and boring machines with adapter or chuck