Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
3M Fiber Disc Pad Hub: 3/8"-24, 2 1/2 in Dia - Fiber Disc Pad Hubs
3MFiber Disc Pad Hubs

3M Fiber Disc Pad Hub: 3/8"-24, 2 1/2 in Dia

The 3M Fiber Disc Pad Hub (MPN 28442) is a black hub with a 2 1/2 in diameter and a 3/8"-24 thread, designed for mounting fiber discs. 3G Electric sources this genuine 3M accessory as part of our broader industrial…

SKU 3G-OTH-533040

Brand
3M
Item
Fiber Disc Pad Hub: 3/8"-24, 2 1/2 in Dia
Category
Fiber Disc Pad Hubs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

3M
Manufacturer Part Number
28442
Type
Black
Dia
2 1/2 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Fiber Disc Pad Hub (MPN 28442) is a black hub with a 2 1/2 in diameter and a 3/8"-24 thread, designed for mounting fiber discs. 3G Electric sources this genuine 3M accessory as part of our broader industrial supply capability across 14 departments, with specialist expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is the 3M Fiber Disc Pad Hub 28442 used for?

The 3M Fiber Disc Pad Hub 28442 is used to mount fiber discs onto angle grinders or other compatible tools. It provides a secure attachment point via its 3/8"-24 thread, enabling efficient sanding, grinding, and finishing in metalworking, fabrication, and maintenance applications.

What are the specifications of the 3M Fiber Disc Pad Hub 28442?

The 3M Fiber Disc Pad Hub 28442 has a 2 1/2 in diameter and a 3/8"-24 thread. It is black in color and is a genuine 3M accessory. The manufacturer part number is 28442. This hub is designed for mounting fiber discs on compatible tools.

Where to buy the 3M Fiber Disc Pad Hub 28442 worldwide?

3G Electric supplies the genuine 3M Fiber Disc Pad Hub 28442 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to order this hub as part of our broad industrial supply across 14 departments, including specialist expertise in combustion, pumps, and controls.

How to install the 3M Fiber Disc Pad Hub 28442?

To install the 3M Fiber Disc Pad Hub 28442, thread it onto a compatible angle grinder spindle with a 3/8"-24 thread. Ensure the hub is tightened securely. Then, attach a fiber disc to the hub following the disc manufacturer's instructions. Always use proper safety equipment and follow tool guidelines.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M fiber disc pad hubs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from 3M

View all 3M parts →
3M Fiber Disc Pad Hub: 5/8"-11, 4 1/2 in Dia, Black, Fiber Discs (MPN 11823). Key specifications — Brand: 3M.
3M
3M Fiber Disc Pad Hub: 5/8"-11, 4 1/2 in Dia, Black, Fiber Discs (MPN 11823). Key specifications — Brand: 3M.
3M Fiber Disc Pad Hub: 5/8"-11, 4 1/2 in Dia, 12 5/16 in Ht, Black (MPN 45190). Key specifications — Brand: 3M.
3M
3M Fiber Disc Pad Hub: 5/8"-11, 4 1/2 in Dia, 12 5/16 in Ht, Black (MPN 45190). Key specifications — Brand: 3M.
3M Fiber Disc Pad Hub: 5/8"-11, 2 1/2 in Dia, 12 5/16 in Ht, Black, Fiber Discs, 10 PK (MPN 88743). Key specifications — Brand: 3M.
3M
3M Fiber Disc Pad Hub: 5/8"-11, 2 1/2 in Dia, 12 5/16 in Ht, Black, Fiber Discs, 10 PK (MPN 88743). Key specifications — Brand: 3M.
3M Fiber Disc Pad Hub: 5/8"-11, 4 1/2 in Dia, Black, 10 PK (MPN 86100). Key specifications — Brand: 3M.
3M
3M Fiber Disc Pad Hub: 5/8"-11, 4 1/2 in Dia, Black, 10 PK (MPN 86100). Key specifications — Brand: 3M.
3M Fiber Disc Pad Hub: 5/8"-11, 2 1/2 in Dia, 12 5/16 in Ht, Black (MPN 28476). Key specifications — Brand: 3M.
3M
3M Fiber Disc Pad Hub: 5/8"-11, 2 1/2 in Dia, 12 5/16 in Ht, Black (MPN 28476). Key specifications — Brand: 3M.
3M Fiber Disc Pad Hub: 5/8"-11, 2 1/2 in Dia, 5 1/2 in Ht, Black (MPN 45205). Key specifications — Brand: 3M.
3M
3M Fiber Disc Pad Hub: 5/8"-11, 2 1/2 in Dia, 5 1/2 in Ht, Black (MPN 45205). Key specifications — Brand: 3M.