3M PSA Disc Backup Pad: 5 in Dia x 3/4 in T, 5/16"-24 Threaded-Shank, Non-Vacuum
The 3M PSA Disc Backup Pad is a 5-inch diameter by 3/4-inch thick, non-vacuum, medium-density threaded-shank sanding disc backing pad. It features a 5/16"-24 threaded-shank tool connection (MPN 7100033003).
SKU 3G-OTH-540722
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The 3M PSA Disc Backup Pad is a 5-inch diameter by 3/4-inch thick, non-vacuum, medium-density threaded-shank sanding disc backing pad. It features a 5/16"-24 threaded-shank tool connection (MPN 7100033003).
Frequently Asked Questions
What is the 3M PSA Disc Backup Pad used for?
The 3M PSA Disc Backup Pad supports pressure-sensitive adhesive (PSA) sanding discs for surface preparation, blending, and finishing on metal, wood, and composites. Its 5/16"-24 threaded-shank connects to angle grinders or sanders, while the medium-density foam provides consistent backing for uniform scratch patterns.
What are the specifications of the 3M PSA Disc Backup Pad 7100033003?
This 3M backup pad has a 5-inch diameter and 3/4-inch thickness. It is non-vacuum, medium density, with a 5/16"-24 threaded-shank tool connection. The manufacturer part number is 7100033003. It is designed for use with PSA sanding discs and requires a compatible threaded arbor.
Where to buy the 3M PSA Disc Backup Pad worldwide?
3G Electric supplies the 3M PSA Disc Backup Pad (MPN 7100033003) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time. We source genuine industrial equipment across 14 departments, including abrasives and power tool accessories.
How to install the 3M PSA Disc Backup Pad on a sander?
Ensure the sander spindle has a matching 5/16"-24 female thread. Screw the backup pad's threaded-shank onto the spindle by hand until snug, then tighten with a wrench against the pad's flats. Avoid over-tightening. Always verify the pad is centered and secure before attaching a PSA disc and operating at rated speed.
Used in
Common applications for 3M3M Products
3G Electric supplies 3M threaded-shank sanding disc backing pads. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
