1/4" Flathead Tip Carbide Burr

Elongate Holes & Slots, Quickly & Cleanly!

Model # LR-FHB-046

Price: $21.98

Use gritted tip to cut holes, slots & irregular shapes in wood, wallboard, wall tile, etc. Use side of cylinder to shape, bevel and grind. 

See full description below for more details...

Elongate Holes & Slots, Quickly & Cleanly!

1/4” (6mm) Flathead Tip Carbide Burr

LR-FHB - Long Life Carbide Drill Bit for 1/4” (6mm) Chucks and Collets

Use gritted tip to cut holes, slots & irregular shapes in wood, wallboard, wall tile, etc. Use side of cylinder to shape, bevel and grind. 

Works great with 1/4" drills at speeds up to 20,000 RPM!  Perfect for light manufacturing, repair & D.I.Y. Projects!

Use with Die Grinders and other 1/4”chuck drills.

“These 1/4” carbide burrs work so well with all the various composite materials we deal with. They leave a great finish and when boring holes and cavities, produce little to no chipping of surface finishes.” - M. Masterson - Composite materials expert

Long Lasting:

They show little to no wear in regular use on composites. Great for use on fiberglass or carbon fibre aircraft or race car bodies.

High Performance:

Good for use in 1/4” (6mm) drills and die grinders. They are strong and aggressive, won’t fracture, shatter or bend and the grit won’t tear loose. They just get the job done - over and over again


  • rapid material removal
  • great hole and irregular cavity procurement in composites 



  • Fashioning and fitting of composite materials in light aircraft and race car manufacturing
  • Cutting apertures in composite and fibreglass instrument panels for new radios etc.
  • Detail burr for large scale woodcarving
  • Professional mold making detailing burr
  • DIY around the house and more….



  • hard woods
  • soft woods
  • laminates
  • masonite
  • fibreglass
  • carbon-fiber
  • composites
  • laminates
  • plastics (ABS, PVC etc.)
  • MDF
  • rubber
  • leather
  • and more…
  • (Not recommended for use on metal) 

To assist you with your selection of the appropriate grit grade for your DuraGRIT® carbide sanding tool, note some typical uses based on grit grades by reading the following knowledge base article:

What are Typical Uses (and suggested grit grades) for DuraGRIT Carbide Tools?


  • Run at speeds up to 20,000 RPM!
  • Diameter: 1/4" (6mm)
  • Mandrel: 1/4" 
  • Length: 3" (76mm)
  • Grit Grade: 46 grit

You'll have a hard time running out of ways to use them!

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