Product Description
CMT 310.095.11 Dowel Drill - 3/8" Diameter, 2 Flute, 57.5mm Overall Length, Right-Hand Rotation by CMT is a precision-engineered boring tool built for fast, repeatable blind-hole drilling in furniture manufacturing, cabinet making, and panel processing. The 3/8" carbide-tipped dowel drill features a tungsten carbide (HW) head, 2 negatively ground spurs, and a PTFE-coated spiral that keeps the flutes clear of pitch and adhesive residue - delivering clean, flat-bottom bores in chipboard, MDF, hardwood, softwood, plywood, laminates, and coated panels. Designed for right-hand rotation and compatible with multi-spindle CNC boring machines and panel processing centers, this short-series dowel drill provides the accuracy and durability that production woodworking and high-volume cabinetry operations demand.
Key Features
- 2-Flute HW (Tungsten Carbide) Cutting Head - precision-ground carbide edges maintain sharpness through high-volume drilling cycles in abrasive materials like MDF, chipboard, and laminates, reducing tool change frequency and downtime.
- 2 Negatively Ground Spurs - scored into the workpiece ahead of the main cutting edges, the negatively sharpened spurs sever wood fibers cleanly at the bore perimeter, eliminating tearout and producing crisp, smooth hole walls in solid wood and coated panels.
- PTFE-Coated Spiral Flutes - the orange or black PTFE coating on the spiral portion prevents pitch, glue, and resin from adhering to the tool body, maintaining consistent chip evacuation and extending the service life of the drill.
- Precision-Balanced Centre Point - the HW centre point self-centers on the workpiece, preventing the drill from wandering at entry and ensuring accurate hole placement on every bore - critical for dowel alignment in furniture assembly.
- Parallel Shank with Driving Flat and Length Adjusting Screw - the 10x27mm parallel shank seats securely in multi-spindle boring heads and CNC boring centers; the driving flat prevents shank rotation under load, and the adjusting screw allows precise depth setting.
- Super-Strength Steel Body - the steel construction absorbs vibration and provides a rigid backbone for the carbide head, contributing to consistent bore geometry and reduced machine chatter at production speeds.
- Short-Series Profile at 57.5mm Overall Length - the compact 57.5mm body fits the tight spindle spacings of multi-row boring machines, enabling close-center drilling patterns common in cabinet carcass and shelf-pin boring.
Why This Product
- The combination of 2 negatively ground spurs and a precision HW centre point makes this drill the right choice for dowel-joint boring where hole quality directly affects assembly fit - sloppy bores cause loose joints, and this drill eliminates that risk.
- The PTFE-coated spiral flutes address one of the most common productivity problems in panel boring: resin and glue buildup that causes the drill to bind or overheat - keeping the flutes clear means consistent performance across full production shifts without constant cleaning.
- The 10x27mm parallel shank with driving flat and length adjusting screw provides a secure, slip-free connection in multi-spindle CNC boring machines and boring centers, making this drill a direct-fit solution for automated panel processing lines.
- With a 27mm cutting height and 57.5mm overall length, this short-series drill is sized specifically for the standard blind-hole depths used in dowel connections, shelf-pin drilling, and cabinet construction - no modification or extended adapter required.
Specifications
- Manufacturer Part Number: 310.095.11
- Brand: CMT Orange Tools
- Diameter: 3/8"
- Cutting Height: 27mm
- Total Length: 57.5mm
- Shank: 10x27mm
- Number of Flutes: 2
- Number of Spurs: 2
- Number of Teeth: 2
- Spur Sharpening: Negatively ground spurs
- Rotation: Right-hand (RH)
- Blade Material: HW (Tungsten Carbide)
- Spiral Coating: PTFE (orange or black)
Approved Applications
- Blind hole drilling for dowel connections
- Panel drilling in furniture manufacturing
- Cabinet making and carcass construction
- Shelf-pin and hinge-cup boring
- Drilling in chipboard, MDF, HDF, hardwood, softwood, plywood, laminates, and coated panels
Frequently Asked Questions
What machines is this dowel drill compatible with?
This drill is designed for use in multi-spindle CNC boring machines, CNC boring centers, panel processing centers, and boring machines equipped with an adapter or chuck that accepts a 10x27mm parallel shank. The driving flat on the shank prevents rotation under load, and the length adjusting screw allows precise depth setting in production boring heads.
What does the PTFE coating on the spiral do, and does it affect cutting performance?
The PTFE coating applied to the spiral flute portion of the drill prevents pitch, adhesive, and resin from bonding to the tool body. This keeps the flutes clear for consistent chip evacuation during extended drilling operations in materials such as chipboard, MDF, and coated panels. The coating does not affect the geometry of the cutting edges or spurs, which remain uncoated and precision-ground from tungsten carbide.
What is the purpose of the negatively ground spurs on this drill?
The 2 negatively ground spurs score the outer perimeter of the bore ahead of the main carbide cutting edges. This severs wood fibers and panel face materials at the hole boundary before the flutes remove the core material, which prevents tearout and produces clean, smooth bore walls. This is especially important when drilling through laminates, coated panels, and hardwood where surface quality at the hole edge directly affects joint appearance and fit.
Is this drill for through-hole or blind-hole drilling?
This dowel drill is designed for blind-hole drilling - holes that do not exit the opposite face of the panel or workpiece. The precision-balanced HW centre point, flat-bottom cutting geometry, and 27mm cutting height are all configured for the controlled-depth boring required in dowel-joint connections, where hole depth consistency is critical for proper dowel seating and flush assembly.
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