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Work Sharp WSSAKO81112 Blade Grinder Attachment

Work Sharp WSSAKO81112 Blade Grinder Attachment

Q: Functionally, how is this actually different from the stock sharpener?

This attachment is MUCH better than the stock attachment, especially if you are sharpening a knife such as a Chef's knife. The stock attachment tends to grind away more material at the first part when you start the pass. On a chef's knife, this creates a concave section at the bolster which is a very important section on a chef's knife. if you're trying to dice things like mint, onions, basil, etc., this raised area will not cut and on a chef's knife, that is a real pain in the butt. This attachment has worked well for me sharpening chef's knifes and any other blade.

Q: could this (along with the KO work sharp, of course) be used to shape a steel blank to make knives from scratch?

You can get 60 and 80 grit belts that work great i just got mine and am impressed with thecbuild quality i made the mistake of buying a cheap 1x30 belt geinder teust me you can do way better work with this i am making a viking seax with mine now its doing great for a hobby knife maker its gold

Q: Has anyone used this for shaping knife handles etc? I am looking for something to use with assembling knife kits.

This is very good making flat grinds. Both on handles and blades. However, for shaping handles from blank to finish, I would suggest a spindle sander like the combo by Ridgid.

Q: Is it possible to get it to go slower than 1200 SFM? I don't want to risk ruining the temper on my best knives!

This attachment is probably the best sharpener on the market for someone not working as a professional. I doubt you'll risk ruining the temper of your blade, but if you are unsure of how much heat is being generated when you are using it, put your fingers on the knife and apply the most gentle of pressure. If you are feeling enough heat that you have to remove your fingers, you're pushing too hard. If you move your blade about 1 inch per second with proper pressure, the blade will not heat up enough to burn you, or anywhere near enough to ruin the temper on the blade. If you feel like you need to put more pressure to remove metal faster, you should drop down to a more coarse belt instead.

Product ID: 737465168

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Details

Material
Synthetic
Brand
Work Sharp
Colour
Black
Product Dimensions
26.7L x 7.6W x
Item Weight
0.2 Pounds
Grit Type
Coarse

⏩Variable belt speed 1200-2800 SFM

📐Sharpen from 10° to 35° angles

⚙️4-pulley adjustable system

Description

⚡ Sharpen Like a Pro, Shape Your Edge, Own the Cut!

PRECISION EDGE CONTROL - Customize your blade angle in 1° increments from 10° to 35° for professional-grade sharpening.
EXCLUSIVE COMPATIBILITY - Designed exclusively for Work Sharp Ken Onion MK.1 Edition sharpener—upgrade your setup with confidence.
PRO LEVEL BLADE SHAPING - 4-pulley design mimics blade maker tools, letting you shape, sharpen, and hone like a craftsman at home.
DYNAMIC SPEED ADJUSTMENT - Adjust belt speed between 1200 and 2800 SFM to perfectly match your sharpening or honing task.
VERSATILE ABRASIVE BELTS - Includes five 1" x 18" engineered belts covering a wide grit range plus optional cotton stropping for a razor finish.

The Work Sharp WSSAKO81112 Blade Grinder Attachment is a precision 4-pulley sharpening tool designed for the Ken Onion MK.1 sharpener. It offers adjustable blade angles from 10° to 35°, variable belt speeds from 1200 to 2800 SFM, and comes with five engineered abrasive belts for versatile sharpening and honing. Perfect for professionals and enthusiasts seeking custom blade shaping and razor-sharp edges at home.

Specifications

Material	Synthetic
Brand	Work Sharp
Colour	Black
Product Dimensions	26.7L x 7.6W x 19.7H Centimeters
Item Weight	91 g
Grit Type	Coarse
Number of Items	1
Manufacturer	Work Sharp
Global Trade Identification Number	00662949038904
UPC	662949038904
Country of Origin	USA
Item model number	WSSAKO81112
ASIN	B00J9AADN6

Have a Question? See What Others Asked

Functionally, how is this actually different from the stock sharpener?

could this (along with the KO work sharp, of course) be used to shape a steel blank to make knives from scratch?

Has anyone used this for shaping knife handles etc? I am looking for something to use with assembling knife kits.

Is it possible to get it to go slower than 1200 SFM? I don't want to risk ruining the temper on my best knives!

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