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!

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.

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.

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.

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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 420 Cut-off Wheel, 15/16 " (23.8 mm) diameter, 0.40” (1.0 mm) disc thickness, Cutting Rotary Tool Accessory (20 Pieces)

Product ID: 277421173

Details

Brand
Dremel
Compatible devices
Dremel - Tool
Grit material
Emery
Grit type
Fine
Product dimensions
24L x 24W

🔥Up to 30,000 RPM max speed

🪓0.40" ultra-thin cutting disc

⚙️15/16" diameter precision

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Description

⚡ Cut through the clutter—precision meets power in every slice!

BULK PACK CONVENIENCE - 20 high-performance cut-off wheels to keep your toolkit ready for any project.
PRECISION CUTTING POWER - Engineered 23.8 mm diameter for clean, straight cuts on metal, wood, and plastic.
TRUSTED BRAND SUPPORT - Dremel quality backed by USA-based customer service for peace of mind.
ULTRA THIN DISC EFFICIENCY - 0.40" thickness minimizes material waste and maximizes cutting speed.
VERSATILE MULTI MATERIAL USE - Cuts through hardened steel, rusted bolts, wood, and plastics with ease.

The Dremel 420 Cut-off Wheel set includes 20 durable 15/16" diameter, 0.40" thick emery discs designed for high-speed cutting up to 30,000 RPM. Perfect for professionals and DIYers alike, these wheels slice through metal, wood, and plastic with precision, making tough jobs like cutting bolts or slots effortless. Color-coded red for easy identification, they come with reliable USA-based customer support, ensuring your projects never stall.

Specifications

ASIN	B00004UDH3
Best Sellers Rank	#116,916 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #118 in Power Rotary Tool Accessories
Brand Name	Dremel
Compatible Devices	Dremel - Tool
Compatible Material	Metal, Wood, Plastic
Construction Type	Grind
Customer Reviews	4.6 4.6 out of 5 stars (1,866)
Global Trade Identification Number	00080596004200
Grit Material Type	Emery
Grit Number	420
Grit Type	Fine
Included Components	Unit^Instruction Guide
Industry Standard Identifier	0080596004200, 080596004200
Item Diameter	23.8 Millimeters
Item Dimensions	24 x 24 x 1 millimeters
Item Dimensions L x W	24L x 24W millimeters
Item Thickness	0.04 Hundredths-Inches
Item Weight	18 g
Manufacturer	Dremel
Material Type	hard abrasive material
Maximum Rotational Speed	30000 RPM
Model	420
Number of Items	20
Part Number	420
Recommended Uses For Product	Cutting
Set Name	20-piece
UPC	080596004200
Unit Count	1 Count

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₨286

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

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