01 — Essential Specifications
Choose with confidence
Essential specifications
The facts that matter most when choosing the right product in this family.
02 -- Materials, Applications & Machines
Working compatibility
Materials, applications & machines
Quickly confirm what the tool can cut, the work it is designed to perform, and the equipment it is intended to run on.
Recommended applications
Typical jobs and operations
- Grinding
Compatible machines
Equipment and operating methods
- Angle Grinder
03 -- Complete Technical Specifications
Technical data
Complete technical specifications
Open only the groups you need to confirm construction, dimensions, and operating requirements.
Abrasive specifications
Disc / wheel diameter4-1/2"
Diameter — inches4.5″
Grit50
Abrasive grainAluminum Oxide
Backing materialFibre
Supplier box quantity100
Construction & identification
Tool typeFibre Discs
Tool subtypeFiber Discs Spindles
Manufacturer seriesFiber Discs Spindles
Measurement systemImperial
Manufacturer part number48503
Dimensions & fit
Size4-1/2" x 7/8"
Arbor / mount size7/8" arbor
Pack quantity100
Machine & operation
Maximum speed13300 RPM
04 -- Why Choose this series
Series advantage
Why choose the Fiber Discs Spindles series
Fiber Discs Spindles
CGW fiber discs supplied on a spindle spool for convenient storage that keeps the discs flat. Available in aluminum oxide and zirconia abrasive grain, with a 7/8-inch arbor.
05 -- Compatibility & What's Included
Compatibility & contents
Confirm the fit before ordering
The systems, models, and components below come directly from the product’s normalized fit data.
Fit details
Arbor / mount7/8" arbor
06 -- Use Notes & Technical Description
Before you use it
Use notes & technical description
Important fit, operating, and care guidance to review before putting the tool to work.
Use with a compatible right-angle grinder and the correct backing pad and mounting hardware. Maximum disc speed: 13,300 RPM. Follow CGW instructions and the actual disc markings. Sold in multiples of 100 discs; the displayed price is per disc.
View the complete technical description
Aluminum Oxide Fiber Disc Spindle
CGW 48503 is a 4-1/2" aluminum oxide fiber disc with 50 grit and a 7/8" arbor.
CGW fiber discs supplied on a spindle spool for convenient storage that keeps the discs flat. Available in aluminum oxide and zirconia abrasive grain, with a 7/8-inch arbor.
| Manufacturer part number | 48503 |
|---|---|
| Diameter | 4-1/2" |
| Arbor | 7/8" |
| Grit | 50 |
| Abrasive grain | Aluminum Oxide |
| Backing | Fibre |
| Packaging | Spindle spool |
| Maximum speed | 13,300 RPM |
| Box quantity | 100 discs |
Sold in complete-spindle multiples of 100 discs. The displayed price is per disc.
Use with a compatible right-angle grinder and the correct backing pad and mounting hardware. Maximum disc speed: 13,300 RPM. Follow CGW instructions and the actual disc markings. Sold in multiples of 100 discs; the displayed price is per disc.
How ordering works
A clear process from order to delivery
Whether you need one replacement tool or a recurring supply order, every step is designed for clear communication, accurate fulfillment and dependable delivery.
1
Order submitted securely
Your products, quantities and order details enter our system for verification.
Secure submission
2
Confirmation sent
You receive a clear summary of the items and quantities, ready to review or share.
Details confirmed
3
Picking and packing
Our team prepares the correct products and quantities for safe, accurate transportation.
Carefully prepared
4
Tracking provided
As soon as the carrier label is created, the tracking information is sent to you.
Trackable shipment
5
Delivery to your location
Your order travels to the selected address with clear visibility into its progress.
Dependable delivery
Business purchasing
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For distributors, wholesalers, machine shops and contractors: apply for Net 30 terms, email a PDF purchase order or request tailored business pricing.
Canada & United States
Purchasing in CAD
Net 30 terms available after credit approval
PDF purchase orders accepted directly by email
Targeted pricing based on products, quantities and repeat needs
Credit decisions are usually completed in 2–3 business days. No minimum order is required to apply.