What type of tool to you put this into a router, a drill, seems too much for a dremel, even if you could find a collette?

The 1/4" shaft Rotary Burrs, are meant for Die Grinders, or Flex-Shaft hand pieces with a 1/4" collet or adjustable chuck.

What tools accept this shaft

drill press, hand drill, router, air grinder with 1/4 inch collet.

Is there an adapter that will allow this to be used in the Dremel 4250?

Sorry Tommy, this is a 1/4" shaft and the biggest burr that the Dremel will take is 1/8". If you have already bought this burr send it back to Amazon and replace it with an 1/8" shaft. Kutzall make the flame in extra coarse 1/8" but be extra careful. This thing will rip through your fingers very quickly. Make sure you have no clothing to get caught up or around your carving area. It will grab the material and snap your shaft. Don't drop it in your lap because you will find it quite painful. Good luck.

Can it be used with a drill instead of a die grinder?

For DIY applications, Kutzall Burrs will remove material at lower speeds (hand drills, drill presses, etc.) but both material-removal rate and control improve as speed increases. Recommended operating speed range is 10,000 - 25,000 RPM.

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Kutzall Extreme Flame Rotary Burr, 1⁄4" Shaft, Very Coarse - Woodworking Attachment for Bosch, DeWalt, Milwaukee. Abrasive Tungsten Carbide, 1⁄2" (12.7mm) Dia. X 1" (25.4mm) Length, FLX-12C

Product ID: 369775301

Details

Brand
Kutzall
Bristle type
Crimped Wire
Grit material
Tungsten
Material
Extreme - Very
Product dimensions
5.1L x 5.1W

⚡Rapid material removal

🔄Versatile multi-material use

🛠️Tungsten carbide durability

Description

🔥 Shape your craft with the ultimate flame burr—where speed meets precision!

BUILT TO OUTLAST - Tungsten carbide teeth last 100x longer than conventional abrasives 🛠️
UNIVERSAL COMPATIBILITY - Fits 1/4” collet grinders like Bosch, DeWalt, Milwaukee—your go-to rotary partner
EFFORTLESS PRECISION CONTROL - Smooth cutting action with or against the grain for flawless detail work 🔄
BLAZING FAST MATERIAL REMOVAL - Cut through wood, plastic, and composites with unmatched speed ⚡
EASY MAINTENANCE ALWAYS READY - Clean with a torch or wire brush—heat won’t harm the teeth, keeping performance peak

The Kutzall Extreme Flame Rotary Burr features a 1/4" shaft and very coarse tungsten carbide grit designed for rapid material removal on non-metallic surfaces. Compatible with popular grinders like Bosch and DeWalt, it offers exceptional durability—outlasting conventional abrasives by 100x—and versatile use on wood, plastic, fiberglass, and more. Its unique flame shape excels in detailed carving and shaping, while easy cleaning ensures long-lasting peak performance. Proudly made in the USA, it’s the trusted choice for professional woodworkers and artisans.

Specifications

ASIN	B071X5CVZW
ASIN	B071X5CVZW
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#259,035 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #84 in Power Tool Burs
Color	black
Customer Reviews	4.8 4.8 out of 5 stars (564)
Customer reviews	4.8 4.8 out of 5 stars (564)
Cutting Diameter	12.7 Millimeters
Date First Available	12 February 2018
Date First Available	12 February 2018
Grit Description	Coarse
Grit Rating	24
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	28.3 g
Item diameter	12.7 Millimeters
Item model number	FLX-12C
Item model number	FLX-12C
Manufacturer	Kutzall
Manufacturer	Kutzall
Material	Extreme - Very Coarse
Measurement System	English
Number Of Pieces	1
Part number	FLX-12C
Product Dimensions	5.08 x 5.08 x 10.16 cm; 28.35 g
Shape	Flame
Size	Head Diameter: 1⁄2", Head Length: 1"

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