Product Description
CMT 314.127.11 Dowel Drill for Through Holes - 1/2" Diameter, 35mm Cutting Height, 70mm Overall Length, Right-Hand Rotation is a precision-engineered boring tool built for through-hole dowel drilling in panel processing and furniture manufacturing. Designed with a 2-flute, carbide-tipped (HW) head and a parallel shank with driving flat, this right-hand drill produces clean, accurate through holes in solid wood, chipboard, MDF, and coated panels. The 70mm overall length makes it well suited for drilling through panels, while the PTFE-coated spiral flutes resist pitch and adhesive buildup to maintain cutting performance across extended production runs.
Key Features
- Carbide-Tipped (HW) Cutting Head with Precision-Balanced Centre Point - delivers accurate hole placement and consistent entry without wandering, reducing setup time and scrap in high-volume boring operations.
- 2 Precision-Ground Cutting Edges (Z2) - two precision-ground flutes produce smooth, clean bore walls in each pass, supporting quality dowel joints and tight-tolerance furniture assembly.
- 2 Spiral Flutes for Chip Evacuation - spiral geometry channels waste material away from the cutting zone, preventing clogging and overheating during continuous panel drilling.
- PTFE-Coated Spiral Portion - orange or black PTFE coating on the spiral sheds pitch, resin, and adhesive deposits, extending tool life and reducing cleaning frequency between uses.
- Super-Strength Steel Body - the tool body is manufactured from super-strength steel, providing rigidity and resistance to deflection during high-speed boring machine operation.
- Parallel Shank with Driving Flat and Length Adjusting Screw - the 10x26mm shank with driving flat and length adjusting screw ensures secure, repeatable seating in multi-spindle CNC boring machines and boring centers, minimizing runout.
- Right-Hand (RH) Rotation - designed for standard right-hand spindle configurations found on the majority of CNC boring centers and multi-spindle panel processing machines.
- Through-Hole Geometry Sharpened at 60 deg. - the 60 deg. sharpening angle optimizes cutting performance specifically for through-hole applications, producing clean exit cuts that reduce or eliminate blowout on the panel face.
Why This Product
- Engineered for Through-Hole Dowel Applications - unlike flat-bottom boring bits, this drill is specifically geometrically optimized for through-hole cutting, making it the right choice when dowel connections require a complete bore through the full panel thickness.
- 35mm Cutting Height Suits Standard Panel Thicknesses - with 35mm of cutting height and 70mm total length, this bit accommodates through drilling in panels up to standard cabinetry and furniture thicknesses while maintaining stable shank engagement in the machine spindle.
- PTFE Coating Reduces Downtime in Production Environments - the coated spiral minimizes resin and glue adhesion, so the bit stays cleaner longer during continuous runs on chipboard, MDF, and laminated panels - reducing mid-shift cleaning stoppages.
- Compatible with CNC Boring Centers and Multi-Spindle Machines - the 10x26mm parallel shank with driving flat and length adjusting screw is a standard interface for CNC boring centers and multi-spindle machines used in industrial furniture and panel processing lines.
Specifications
- Manufacturer Part Number: 314.127.11
- Brand: CMT Orange Tools
- Diameter: 1/2"
- Cutting Height: 35mm
- Total Length: 70mm
- Shank: 10x26mm (parallel shank with driving flat and length adjusting screw)
- Number of Flutes: 2
- Blade Material: HW (carbide-tipped)
- Rotation: Right-Hand (RH)
- Sharpening Angle: Through holes 60 deg.
- Application Class: Dowel drill for through holes
Approved Applications
- Through-hole dowel joint drilling in furniture panel components
- Panel processing on chipboard, MDF, HDF, and coated panels
- Through boring in solid hardwood and softwood
- Laminate and coated panel boring for cabinet and furniture assembly
- CNC boring center and multi-spindle boring machine production runs
Frequently Asked Questions
What is the difference between a through-hole dowel drill and a blind-hole dowel drill?
A through-hole dowel drill, like this CMT 314.127.11, is geometrically designed to bore completely through a panel, with a point angle and cutting geometry that produces a clean exit cut and minimizes blowout on the far face. A blind-hole dowel drill is designed to stop at a precise depth without penetrating the full panel. This bit features through-hole sharpening at 60 deg. and a 35mm cutting height suited specifically for full-depth boring.
What machines is the 10x26mm parallel shank compatible with?
The 10x26mm parallel shank with driving flat and length adjusting screw is a standard interface for multi-spindle CNC boring machines, CNC boring centers, and panel processing centers. The driving flat prevents the shank from rotating under load, while the length adjusting screw allows precise depth and projection setting in the spindle.
What materials can this dowel drill bore through?
This drill is suited for through-hole boring in chipboard, MDF, solid hardwood, solid softwood, plywood, laminates, and coated panels. The HW (carbide-tipped) cutting head and 2 precision-ground cutting edges (Z2) maintain sharp performance across these engineered wood and natural wood materials common in furniture and cabinet panel processing.
What does the PTFE coating on the spiral do?
The orange or black PTFE coating applied to the spiral portion of the bit reduces adhesion of pitch, resin, and glue to the flute surfaces during cutting. This keeps the flutes cleaner during production runs on materials such as chipboard, MDF, and laminates, helping to maintain chip evacuation efficiency and extend the service interval between cleanings and resharpenings.
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