SKU: 81305366247

4-1/2" x 7/8 Zirconia Alumina (50g) - Resin Fiber Abrasive Disc

Sale price$33.61 Regular price$37.34
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Description

4-1/2" x 7/8 Zirconia Alumina (50g) - Resin Fiber Abrasive DiscThe 4 1 2" x 7 8" Zirconia Alumina (50g) Resin Fiber Abrasive Disc from ARC Abrasives is engineered for heavy duty grinding on mild steel and aluminum. Its tough zirconia grain offers high stock removal, while the rigid vulcanized fiber backing ensures effective pressure transfer for consistent performance. An optional grinding aid is available to reduce heat buildup and enhance efficiency in high temperature applications. Features & Benefits: Rigid

The 4-1/2" x 7/8" Zirconia Alumina (50g) - Resin Fiber Abrasive Disc from ARC Abrasives is engineered for heavy-duty grinding on mild steel and aluminum. Its tough zirconia grain offers high stock removal, while the rigid vulcanized fiber backing ensures effective pressure transfer for consistent performance. An optional grinding aid is available to reduce heat buildup and enhance efficiency in high-temperature applications.

 

Features & Benefits:

  •  Rigid Backing: Enhances grain retention, even in the most challenging grinding tasks, ensuring consistent performance.
  •  Grain Orientation: Designed to reduce clogging, allowing for smoother, more efficient grinding.
  •  Versatile Use: Perfect for medium-pressure, general-purpose applications across various materials.

For reliable and effective grinding, count on ARC Abrasives' Resin Fiber Discs to consistently deliver the performance you expect.


SPECIFICATIONS DETAILS
PRODUCT TYPE Resin Fiber Disc
ITEM WEIGHT (LBS) 0.054
TOTAL WEIGHT PER PACK (LBS) 1.35
SURFACE TYPES Aluminum, Mild Steel, Non-Ferrous
APPLICATIONS Blending, Deburring, Stock Removal, Surface Grinding, Weld Removal
STRUCTURE Resin Fiber
MINERAL Zirconia Alumina
PERFORMANCE COAT  No
NMFC NUMBER FOR BOL ABRASIVE GRINDING WHEELS, BENCH WHEELS, OR FIBRE DISCS
FREIGHT CLASS FOR BOL ABRASIVE PRODUCT
PRODUCT LINE None
DIAMETER 4-1/2"
GRIT 50
MAX RPM 11,000
PACKAGED IN Box
ATTACHMENT Arbor Hole 7/8"
STANDARD PACK QUANTITY 25.00
BRAND ARC Abrasives Inc
MANUFACTURER ARC Abrasives Inc

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81305366247

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4.4 ★★★★★
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History Guru
Belleville, US
★★★★★ 5
Great piece of equipment. Worked for mouse, hard drive, and digital camera all into a laptop.
Works great. I used to plug in a mouse, an external hard drive, and an overhead Nikon digital camera for historic digitization of documents and books. It small and compatible and there were no connection or power problems. It feels well built and sturdy and the cord connection to the device is strong and flexible.
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Reviewed in the United States on May 2, 2026
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najib
Chelsea, US
★★★★★ 5
Great for retro emulation!
Got this for a retro emulation setup. Worked great. No issues whatsoever. Works on apple as well. Its a basic usb hub, but doesn't feel cheap. Got it on sale, which made it even better!
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Reviewed in the United States on April 6, 2026
E
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E's mom’s husband
Alexandria, US
★★★★★ 4
Works good, happy with purchase
Works good with usb-c expansion card. Data transfer rates are good. Lets me use usb thumb drives and external hard drives that gave usb-a connectors
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Reviewed in the United States on May 6, 2026
A
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Amazon Customer
Grantham, US
★★★★★ 5
inexpensive usb3.1 gen 2 hub with PD
This USB3.1 gen 2 hub is well made, featuring VIA Labs controller (device id 2109:2822) and is made in China. It looks nice and performs according to the specs. I wish usb-c socket supported TB3/Alt DP cable to connect a display to it, but it is apparently made mainly for power delivery. I think the hub is a good value.
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Reviewed in the United States on November 21, 2025
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David Row
Alexandria, US
★★★★★ 5
Do you need a powered hub instead?
NOT powered. My bad, I didn't look closely enough. I need a powered hub.
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Reviewed in the United States on March 7, 2026

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