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  • Dremel 121 High Speed Cutter
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Dremel 121 High Speed Cutter

4.6 out of 5 stars 72 ratings
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Purchase options and add-ons

Material Metal
Grit material Alloy Steel
Item dimensions L x W x H 10.2 x 2 x 1.3 Centimetres
Brand Dremel
Grit type Medium
Compatible material Plastic
Item weight 0.23 Kilograms
Grit number 120
UPC 080596001216
Number of Items 1

About this item

  • Compatible with all Dremel rotary tools.
  • A versatile, high-quality cutter made of high-grade steel for use on wood, plastic and soft metals.
  • Ideal for shaping, hollowing, grooving, slotting, inlaying and making tapered holes in soft metals, plastics and woods especially on curved surfaces.

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Dremel 121 High Speed Cutter
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Product information

Technical Details

Manufacturer ‎Dremel
Place of Business ‎Mount Prospect, IL 60056 USA
Part Number ‎121
Product Dimensions ‎10.16 x 2 x 1.27 cm; 230 g
Item model number ‎121
Is discontinued by manufacturer ‎No
Size ‎1/4"
Colour ‎Gray
Style ‎BURS_AND_ROTARY_FILES
Material ‎Metal
Item Package Quantity ‎1
Measurement System ‎Metric
Grit rating ‎120
Grit Description ‎Medium
Included Components ‎Construction - Concrete & Metal Tools, Power Rotary Tool, Rotary Tools - Construction - Concrete & Metal Tools
Batteries Required? ‎No
Warranty Description ‎No
Item Weight ‎230 g
Country of origin ‎China

Additional Information

ASIN B0002PBTJO
Customer Reviews
4.6 out of 5 stars 72 ratings

4.6 out of 5 stars
鶹 Rank
Date First Available May 2 2012

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Dremel 121 High Speed Cutter

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Product description

鶹.ca Product Description

Dremel accessories are truly among the finest products to maximize your woodworking experience. Built on a foundation of technology and innovation, Dremel accessories always deliver the most professional results.

From the Manufacturer

Dremel accessories are truly among the finest products to maximize your woodworking experience. Built on a foundation of technology and innovation, Dremel accessories always deliver the most professional results.

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

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Customer reviews

4.6 out of 5 stars
72 global ratings

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Top reviews from Canada

  • Mike Chandler
    5.0 out of 5 stars Five Stars
    Reviewed in Canada on July 27, 2014
    works well for decoy carving
    Helpful
     Report
  • Corey
    4.0 out of 5 stars Good bit
    Reviewed in Canada on August 22, 2024
    Verified Purchase
    Does what it's supposed to do.
    Helpful
     Report

Top reviews from other countries

  • Sorzy63
    5.0 out of 5 stars Must have
    Reviewed in the United States on April 3, 2024
    Verified Purchase
    Must have if your using the Plastifix kit made by and from Polyvance to repair a motorcycle fairing, cover and or panel!
    Report
  • Blackhorse
    5.0 out of 5 stars They're all good...if they're 'Dremel'.
    Reviewed in the United States on January 1, 2013
    Verified Purchase
    This is almost a no brainer, but just in case...Dremel makes a number of sizes and shapes and so do other makers. The Dremel products are the ones to get as their shapes are exact, the cutting edges are precise and the steel is top quality and tempered to last a long time when used properly. These are made for the careful removal of stock from soft materials like wood and plastic...with the speed set fairly low to avoid burning or annealing the steel of the bit. Hard woods like Ebony, Rosewood etc. might be too hard. Keep a small stiff brass brush close by for clean up if you're working on plastic as they will often melt to the burr. They're not cheap, but they do last a really long time. I've even sharpened mine with a very fine needle file.
    Report
  • Fred
    3.0 out of 5 stars Not Very Sharp
    Reviewed in the United States on August 7, 2023
    Verified Purchase
    I bought it to make a grive in a plastic car bumper crack. I ended up using a diamond bit that I had, much smaller, but more effective than this one. I do not recommend.
    Report
  • JB Bergstad Kindle customer
    5.0 out of 5 stars Does the job it was created for.....
    Reviewed in the United States on June 20, 2013
    Verified Purchase
    Another excellent tool for shaping and cutting plastic...all these tools are great for making minor adjustments on your dentures, but be careful and remember a little cutting goes a long way. If you're not sure what your doing go see your dentist. J B Bergstad - Kindle Author of Hyde's Corner Trilogy - Book I - No Man's Land - Screwing the Pooch - Doors to Perdition
    Report
  • James
    5.0 out of 5 stars Small diameter
    Reviewed in the United States on July 4, 2021
    Verified Purchase
    Able to work extreme detail
    Report

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