3M Scotch-Brite 990 mandrel for securing Unitised wheel on rotating tool, 9.52 x 50.8 mm x 1/4" shank - 7000028456

Supplier number: 3M 7000028456 | EAN 00048011150123

26.60 tax incl.

€21.98 excl. VAT (incl. all environmental contributions)

On order: delivered from 06/10/2026

The minimum purchase order quantity for the product is 5.

Ordered before 20:00 - delivered as of 06/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

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Dependable mandrel for precision deburring

Practical benefits

Secure wheel retention system: You clamp wheels firmly between the two flanges with the locking retainer nut.
Fits 6 mm collets: The standard shaft ensures effortless mounting into compatible rotary tools and die grinders.
Compact design for tight areas: A total length of 50.8 mm gives you easy access to intricate workpieces.

In a nutshell

The right choise for

With the 3m Scotch-Brite mn-ac 990 mandrel, you securely mount Unitized abrasive wheels onto your die grinder or rotary power tool. Designed for wheels with a 9.52 mm center hole, the retainer nut clamps the wheel firmly between two flanges to prevent slipping and reduce vibration during use. The 6 mm shank fits directly into standard 1/4-inch collets, ensuring fast and effortless setup. With a compact overall length of 50.8 mm, you easily reach tight corners and intricate workpieces. This enables you to deburr, blend, and finish metal components with exceptional accuracy and control.

Product information FAQ

€26.60

tax incl.

Key features according to our expert

For shaft diameter: 6 mm
Clamping range: 9,52 mm
Overall length: 50,8 mm

Product Description

Designed to attach a small Scotch-Brite Unitised Wheel to a rotary tool
Small size allows reaching small or complicated workpieces
Use with straight grinders for edge deburring and finishing
Small size allows access to small and hard-to-reach workpieces

3M Mandrel for Unitised Wheel attaches a small Scotch-Brite Unitised Wheel to a rotary tool such as a grinder for edge deburring and finishing certain applications. The flanges fit either side of the wheel and are secured with a nut.

The 3M Mandrel for unitised wheels attaches a small Scotch-Brite unitised sanding wheel to a rotary tool for deburring edges and finishing small and hard-to-reach areas. The flanges of our mandrels fit both sides of the wheel and are secured with a clamping nut. The small size provides access to small and hard-to-reach areas.

All Features

For shaft diameter: 6 mm
Clamping range: 9,52 mm
Overall length: 50,8 mm

Brand 3M
57111184
EAN 00048011150123
Supplier number 3M 7000028456

Frequently asked questions about this product

Answered by specialists

What is this mandrel used for?: This 3M MN-AC 990 mandrel secures Scotch-Brite unitized wheels onto rotary tools such as die grinders.
What is the shank diameter of this mandrel?: The mandrel features a 6 mm (1/4") shank suitable for standard tool collets.
What are the dimensions of this mandrel?: It has a mounting center hole fit of 9.52 mm and an overall length of 50.8 mm.
Which tools are compatible with this accessory?: You can mount it directly into die grinders or rotary power tools equipped with a 6 mm or 1/4" collet.