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420 Cut-Off Wheel, 15/16" (23.8 mm) Diameter, 0.40” (1.0 mm) disc Thickness, Cutting Rotary Tool Accessory (20 Pieces)

420 Cut-Off Wheel, 15/16" (23.8 mm) Diameter, 0.40” (1.0 mm) disc Thickness, Cutting Rotary Tool Accessory (20 Pieces)

Q: Anybody know the number(s) of the thickest (most heavy duty) dremel type cutoff wheel(s) are? Even the shorter diameter ones.

Hello, The thickest cut-off wheel we provide is .0625 (1.6 mm) and is part #540. The next thickest would be part numbers 426,456,506CU,EZ426,EZ456 and EZ476. These are all .045 thickness (1.1 mm). Hope this helps and have a great day!

Q: Can it be used for cutting plywood, does it leave clean edges?

You can cut plywood. I do so when cutting model airplane parts from 1/16 - 1/4" birch plywood. To prevent 'fraying' around your cuts, first lay down masking tape over your projected cut line.

Q: Do these have a longer life or more durable than the Dremel #426 fiberglass reinforced cut offwheels . I usually use for cutting small screws and bolt

The 426 will be more durable and have a longer life. That is what the fiberglass does.

Q: What diameter size are these cut off wheels and can it be used for a drill Master rotary tool?

There15/16” diameter.. 25 thousandths “ thick.. 1/8” hole in center.. any high speed cut off tool these will work.. the 409 are THIN.. 406 ate a bit thicker.

Product ID: 6710307

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Details

Grit Material
Silicon
Product Dimensions
0.94"L x
Brand
Dremel
Compatible Devices
Dremel corded
Grit Type
Medium

🔧Pack of 20 heavy-duty cut-off wheels

🪓0.40" (1.0 mm) ultra-thin cutting disc

⚙️15/16" (23.8 mm) precision diameter

Frequently Bought Together

Dremel 420 Cut-Off Wheel, 15/16" (23.8 mm) Diameter, 0.40” (1.0 mm) disc Thickness, Cutting Rotary Tool Accessory (20 Pieces)

Dremel 409 Cut-Off Wheel, 15/16" (23.8 mm) Diameter, .025” (0.6mm) disc Thickness, Cutting Rotary Tool Accessory (36 Pieces)

60Pcs Rotary Tool Cut Off Wheel 1-1/4 inch Reinforced Fiberglass Cut Off Wheels and 4Pcs Mandrels

Description

🛠️ Cut sharp, cut smart — don’t get left behind!

BULK PACK ADVANTAGE - 20 wheels per pack means you’re always ready to tackle any project without downtime.
PRECISION CUTTING POWER - Engineered for razor-sharp, straight cuts on metal, wood, and plastics—no more guesswork.
VERSATILE COMPATIBILITY - Fits all Dremel rotary tools with a 1/8" shank—corded or cordless, your go-to cutting upgrade.
SPECIALIZED SLOT CUTTING - Perfect for slicing slots in stripped or rusted bolts—unlock stuck hardware like a pro.
DURABLE ABRASIVE MATERIAL - Silicon carbide grit ensures long-lasting performance on hardened steel and rusted bolts.

The Dremel 420 Cut-Off Wheel is a 15/16" diameter, 0.40" thick silicon carbide abrasive disc designed for precision cutting on metal, thin wood, and plastics. Compatible with all Dremel rotary tools featuring a 1/8" shank, this 20-piece pack delivers durable, straight cuts and specialized slot cutting for rusted or stripped bolts, making it an essential accessory for professionals and DIYers seeking efficiency and versatility.

Specifications

Grit Material	Silicon Carbide
Product Dimensions	0.94"L x 0.94"W
Brand	Dremel
Compatible Devices	Dremel corded and cordless rotary tools
Grit Type	Medium
Item Thickness	0.4 Inches
Grit Number	420
Construction Type	Grind
Global Trade Identification Number	00080596004200
UPC	080596004200
Recommended Uses For Product	Cutting, Polishing
Manufacturer	Dremel
Part Number	420
Item Weight	0.634 ounces
Item model number	420
Is Discontinued By Manufacturer	No
Size	20-Piece
Color	Silver
Style	Multi-Material Cutting
Material	hard abrasive material
Pattern	Cut-Off Wheel
Item Package Quantity	20
Cutting Diameter	23.8 Millimeters
Batteries Included?	No
Batteries Required?	No
Warranty Description	No
Assembled Diameter	23.8 Millimeters
National Stock Number	3460-01-275-4363

Have a Question? See What Others Asked

Anybody know the number(s) of the thickest (most heavy duty) dremel type cutoff wheel(s) are? Even the shorter diameter ones.

Can it be used for cutting plywood, does it leave clean edges?

Do these have a longer life or more durable than the Dremel #426 fiberglass reinforced cut offwheels . I usually use for cutting small screws and bolt

What diameter size are these cut off wheels and can it be used for a drill Master rotary tool?

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