is it 4-1/2 x 1/4 x 7/8? I notice it is only described as 4-1/2 x 7/8. Pls help. Tks

Yes. 41/2 diameter x 1/4" thick with a 7/8" hole ( bore)

Is there an adapter to use on a 5/8 inch grinder

should use same arbor back flange and securing nut as an ordinary grinding wheel without threaded arbor, usually comes with grinder

I want to shave a door down about 3/8 inch. Would this work for the job?

mostly, this is used for grinding metals. To cut 3/8" wood, you need a saw not a grinder. Thanks

I think it you used it with a variable speed grinder at the slowest speed it would work for cleaning up the edges. For glass I just use a random orbital electric sander with 100 grit, since glaze is essentially glass, I would use caution on a rough grit.

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DEWALT DW8311 4-1/2-Inch by 5/8-Inch-11 36 Grit Zirconia Angle Grinder Flap Disc

Product ID: 426457073

Details

Brand
DEWALT
Compatible devices
Angle Grinder
Grit material
Zirconia
Grit type
36 Grit
Product dimensions
11.4L x 11.4W

⏳15X longer abrasive life

⚡3X faster material removal

🔧Type 29 fiberglass backing

₨576

Duties & taxes included

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Description

⚡ Grind faster, last longer, and own every angle.

TRUSTED PERFORMANCE - Backed by DEWALT’s industry-leading quality and a 4.7-star rating from 300+ pros.
ENGINEERED FOR ANGLES - Type 29 fiberglass backing ensures optimal 20-25° grinding angle for superior control.
SPEED MEETS PRECISION - Zirconia grit delivers 3X faster material removal for rapid project completion.
ENDURANCE THAT OUTLASTS - Premium abrasive cloth lasts up to 15X longer, reducing downtime and replacement costs.
VERSATILE COMPATIBILITY - Perfectly suited for metal, stone, and concrete surfaces—your all-in-one grinding solution.

The DEWALT DW8311 4-1/2-Inch Zirconia Angle Grinder Flap Disc features 36 grit zirconia for 3X faster material removal and a premium abrasive cloth that lasts 15X longer than standard discs. Its Type 29 fiberglass backing provides a precise 20-25° grinding angle, making it ideal for metal, stone, and concrete. Trusted by professionals, this disc combines durability and efficiency to elevate your grinding projects.

Specifications

ASIN	B0000DD6D1
Best Sellers Rank	73,461 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 119 in Flap Discs
Brand	DEWALT
Compatible Devices	Angle Grinder
Compatible Material	Metal, Stone, Concrete
Construction Type	grinding
Customer Reviews	4.7 4.7 out of 5 stars (304)
Global Trade Identification Number	00028877310473
Grit Material Type	Zirconia
Grit Number	36
Grit Type	36 Grit
Included Components	4-1/2 X 5/8-11 40G T29 HP FLAP
Industry Standard Identifier	Type 29
Item Diameter	4.5 Inches
Item Dimensions	11.4 x 11.4 x 2.5 centimetres
Item Dimensions L x W	11.4L x 11.4W centimetres
Item Type Name	4-1/2 X 5/8-11 40G T29 HP FLAP
Item Weight	0.34 Pounds
Manufacturer	Dewalt
Manufacturer Part Number	DW8311
Material	Blend
Model Number	DW8311
Number of Items	999
Number of Packs	1
Recommended Uses For Product	Grinding
UPC	028877310473

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