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HARFINGTON Forstner Drill Bit 40mm (1-9/16') Upgraded 3-Cutter Tungsten Carbide Forstner Bit Opener for Hinge Wood Hole Drilling Woodworking

5.0 (5) Write Review
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$15.29

$ 7 .99 $7.99

In Stock

1.Size:25mm


About this item

  • Size - Drilling diameter: 40mm / 1-9/16"; shank size: 10mm / 3/8"; drilling depth (max.): 65mm / 2-9/16"; total length: 95mm / 3-3/4"; shank type: round shank; design: 3 cutters, 4 spurs, accurate positioning, fast hole opening, no burrs
  • Material - Heat-treated tungsten carbide tips provide excellent hardness and toughness, wear resistance, heat resistance for long-lasting performance and extended tool life. The sprayed coating has a smooth, even surface that resists rust and corrosion.
  • Features - The head adopts 3 cutters, 4 spurs, 15 degree angel cutter and arc curve, which has low cutting resistance, smooth chip removal, uniform force and higher perforation efficiency. Drill precise, smooth, and neat holes without burrs. The center spur helps guide it through wood and ensure accurate start holes.
  • Applications - Forstner bit is suitable for softwood, hardwood, solid wood, plywood, laminate and MDF. Easily drills flat-bottomed and pocket holes with precise, smooth finish. Widely used for furniture joints and woodworking projects, such as mortise joints, dowels, hinge cups, shelf pin, pocket screw.
  • Note - Used with handheld drills, drill presses, CNC routers etc.. Recommended to use on desktop (fixed) equipment. Always keep the forstner bit firmly in place when drilling. Do not drill metal and non-ferrous metals. Use a cutting oil or lubricant, hold still, control the speed, apply pressure gradually, and always wear protective equipment.


Product Description

Forstner Bit

Versatile Tools

It is a reliable and versatile tool for woodworkers to achieve precision drilling in woodworking projects. Do not drill metal and non-ferrous metals. Make sure there are no nails or other metal objects in the wood before drilling.

Note: Use a cutting oil or lubricant, control the speed, apply pressure gradually, clear debris, and always wear personal protective equipment. Always keep the forstner bit firmly in place when drilling. The cutting edge and tip of the opener should be sharpened in time.

Forstner Drill Bit
forstner bit

Wide Applications

The forstner bit is suitable for softwood, hardwood, solid wood, plywood, coated particle board, laminate and MDF. Easily drills flat-bottomed and pocket holes with precise, smooth finish.

Widely used for furniture joints and woodworking projects, such as mortise joints, dowels, hinge cups, shelf pin, pocket screw.

forstner bit

Features

Heat-Treated Carbide Tips - Provide excellent hardness and toughness, wear resistance and heat resistance for long-lasting performance and extended tool life.

Sharp Spur & Arc Curve - 4 spurs help guide it through wood and ensure accurate start holes, reducing slippage. Arc curve design head for easy chip-removal, more efficient perforation.

Spray Coating - The sprayed coating has a smooth, even surface that resists rust and corrosion. High-speed steel shank with excellent hardness and wear resistance.

forstner bit

Usage

Used with handheld drills, drill presses, CNC routers, and lathes. Recommended to use on desktop (fixed) equipment.

The hex shank grips the chuck or extension adapter securely and increases torque transmission, reducing slippage inside the chuck.


navalsoldier
2025-08-05 13:34:40
not the best, but satisfied
Jeremy
2025-06-07 14:14:19
The media could not be loaded.
Placeholder
2025-05-29 16:40:20
Product worked well - cut nice clean holes in treated 4x4’s using a Ryobi cordless drill. Would definitely buy again !
Kristy
2025-02-03 12:02:38
Works great... nice and sharp
Normand223
2025-01-02 16:09:21
After 110 65mm holes, 1-3/4'' deep in mahogany the bit is still going strong. Very good for the price...