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Dremel 9931 Structured Tooth Tungsten Carbide Cutter , Gray

4.6 out of 5 stars 108 ratings
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Material tungsten
Grit material Ceramic, Carbide
Item dimensions L x W x H 10.2 x 2 x 1.8 Centimetres
Brand Dremel
Grit type Ceramic
Compatible material Wood, Ceramic, Plastic, Rubber
Item weight 45 g
UPC 080596099312 787721836896
Number of Items 1
Global Trade Identification Number 00080596099312

About this item

  • Tungsten carbide
  • Shapes, smoothes, removes hard material

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From the manufacturer


Tips and Recommendations

Recommended speed settings above

  • Use the sides of the cutter (Rather than the tip) for effective cutting
  • Use higher speeds for hard woods, slower speeds for metals

High Speed Cutters

Carving Soft Materials

Available in many shapes, high speed cutters are used in carving, cutting and slotting in wood, plastics and soft metals such as aluminum, copper, and brass. These are the accessories to use for freehand routing or carving in wood or plastic and for precision cutting. Made with high quality steel. 1/8" shank.

  • Wood
  • Plastics
  • Soft Metals

Tips and Recommendations

Recommended speed settings above

  • Use the sides of the cutter (Rather than the tip) for effective cutting
  • Use higher speeds for hard woods, slower speeds for metals

Structured Tooth Tungsten Carbide Cutters

Carving Soft Materials

Fast-cutting sharp teeth for greater material removal with minimum loading. Use on fiberglass, wood, plastic, epoxy, rubber, laminates, particle board and ceramic tile. 1/8" shank.

  • Fiberglass
  • Wood
  • Plastic
  • Epoxy
  • Rubber
  • Laminates
  • Particle Board
  • Ceramic Tile

Tips and Recommendations

Recommended speed settings above

  • Use higher speeds for hard woods, slower speeds for metals and very slow speeds for plastics (to avoid melting at the point of contact). If chattering occurs, increase speed.
  • Do not use this cutter for drilling holes or for enlarging holes that are less than twice the diameter of the cutter. The tungsten carbide surface can easily catch the side of a hole and break the bit.

Tungsten Carbide Cutters

Carving Hard Materials

These are tough, long-lived cutters for use on hardened steel, fired ceramics and other hard materials. They can be used for engraving on tools and garden equipment. 1/8" shank.

  • Hardened Steel
  • Stainless Steel
  • Cast Iron
  • Nonferrous Metals
  • Fired Ceramics
  • Plastics
  • Hardwood

Tips and Recommendations

Recommended speed settings above

  • Use higher speeds for hard woods, slower speeds for metals and very slow speeds for plastics (to avoid melting at the point of contact).
  • If chattering occurs, increase speed.

Engraving cutters

Engraving Soft Materials

This group has a wide variety of sizes and shapes, and are made for intricate work on ceramics, wood carvings, jewelry and scrimshaw. They often are used in making complicated printed circuit boards. They should not be used on steel and other very hard materials but are excellent on wood, plastic and soft metals. 1/8" shank.

  • Wood
  • Fiberglass
  • Plastic
  • Soft Metals
  • Ceramics/Greenware
  • Jewelry
  • Scrimshaw

Tips and Recommendations

Recommended speed settings above

  • Use higher speeds for hard woods and slower speeds for metals.
  • If chattering occurs, increase speed.

Diamond Wheel Points

Engraving Hard Materials

For fine detail work, cutting, engraving, carving, touch-up and finishing. Bits are covered with diamond particles. 1/8" Shank.

Not recommended for drilling.

  • Wood
  • Jade
  • Cermaic
  • Glass
  • Semi-precious stones
  • Hardened steel
  • Other hard materials

Product information

Technical Details

Manufacturer ‎Dremel
Place of Business ‎Mount Prospect, IL 60056 USA
Part Number ‎9931
Product Dimensions ‎10.16 x 2 x 1.78 cm; 45.36 g
Item model number ‎9931
Is discontinued by manufacturer ‎No
Size ‎Pack of 1
Colour ‎Gray
Style ‎BURS_AND_ROTARY_FILES
Material ‎tungsten
Item Package Quantity ‎1
Measurement System ‎Metric
Grit Description ‎Ceramic
Included Components ‎Unit^Instruction Guide
Batteries Included? ‎No
Batteries Required? ‎No
Warranty Description ‎1 Year
Item Weight ‎45.4 g

Additional Information

ASIN B00004UDJV
Customer Reviews
4.6 out of 5 stars 108 ratings

4.6 out of 5 stars
鶹 Rank
Date First Available Aug. 3 2011

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Dremel 9931 Structured Tooth Tungsten Carbide Cutter , Gray

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Product description

鶹.ca Product Description

A high-speed cutter made of tungsten carbide, the hardest material next to diamonds, 1/8" (3,2mm) shank. Ideal for fast material removal on fiberglass, wood, plastic, epoxy, rubber, laminates, particleboard, soft metals and ceramic wall tile.

From the Manufacturer

A high-speed cutter made of tungsten carbide, the hardest material next to diamonds, 1/8" (3,2mm) shank. Ideal for fast material removal on fiberglass, wood, plastic, epoxy, rubber, laminates, particleboard, soft metals and ceramic wall tile.

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Customer reviews

4.6 out of 5 stars
108 global ratings

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Top reviews from Canada

  • Christine Alward
    5.0 out of 5 stars Excellent
    Reviewed in Canada on December 7, 2018
    Verified Purchase
    Works great on most things but will plug up if used until plastic heats up too much.
    Helpful
     Report
  • stephan garceau
    5.0 out of 5 stars wow
    Reviewed in Canada on September 11, 2016
    Verified Purchase
    Perfect item for my project
    Helpful
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  • Paul
    5.0 out of 5 stars Great cutter
    Reviewed in Canada on November 25, 2013
    Verified Purchase
    works great, takes good amount of wood away you can use it to do detail work or general wood removal.
    Helpful
     Report
  • JEAN CHENIER
    5.0 out of 5 stars Five Stars
    Reviewed in Canada on December 12, 2014
    Verified Purchase
    ok
    Helpful
     Report
  • Richard
    5.0 out of 5 stars Works great
    Reviewed in Canada on February 14, 2023
    Verified Purchase
    Cuts wood quickly but can jump so be careful
    Helpful
     Report

Top reviews from other countries

  • Ronald Bowers
    5.0 out of 5 stars Right tool for the job
    Reviewed in the United States on July 20, 2023
    Verified Purchase
    This bur provides great control while carving. I think the results are perfect!
    Customer image
    Ronald Bowers
    5.0 out of 5 stars
    Right tool for the job

    Reviewed in the United States on July 20, 2023
    This bur provides great control while carving. I think the results are perfect!
    Images in this review
    Customer imageCustomer image
    Report
  • Ptartist
    4.0 out of 5 stars Excellent, worth the price
    Reviewed in the United States on August 23, 2022
    Verified Purchase
    Very effective and durable. Why didn't I buy one of these sooner? :-)
    Report
  • Georgia
    5.0 out of 5 stars Not happy with this piece it's just inadequate
    Reviewed in the United States on January 17, 2023
    Verified Purchase
    It is just an inadequate product
    Report
  • TexasGirl
    5.0 out of 5 stars Tough cutter!
    Reviewed in the United States on January 18, 2018
    Verified Purchase
    Love these cutting tools. They are really good for cutting out shapes in wood and they last a really long time. I use them to cut out places to inlay turquoise and they do a good job of making nice smooth cuts that aren't very big.
    Report
  • The Quant
    4.0 out of 5 stars but when I attached this to my flex shaft attachment it worked nicely.
    Reviewed in the United States on December 2, 2014
    Verified Purchase
    I used this to smooth out a baseboard shift from one floor to a slightly lower floor. I didn't have room to operate by simply attaching this to my dremel, but when I attached this to my flex shaft attachment it worked nicely.
    Report

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