3M Quick Change Disc Backup Pad: TS, 1 1/2 in Dia, 1/4"-20 Internal-Thread
The 3M Quick Change Disc Backup Pad: TS is an internal-thread backing pad for TS quick-change discs, with a 1 1/2 in diameter, medium density, and a 1/4"-20 internal-thread tool connection (MPN 77729).
SKU 3G-OTH-537125
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Product Description
The 3M Quick Change Disc Backup Pad: TS is an internal-thread backing pad for TS quick-change discs, with a 1 1/2 in diameter, medium density, and a 1/4"-20 internal-thread tool connection (MPN 77729).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the 3M Quick Change Disc Backup Pad TS used for?
The 3M Quick Change Disc Backup Pad TS supports TS quick-change discs for grinding, blending, and finishing on metal, wood, and composites. Its medium density provides consistent support for surface conditioning and light stock removal in industrial fabrication and maintenance applications.
What are the specifications of the 3M 77729 backup pad?
The 3M 77729 backup pad has a 1 1/2 in diameter, medium density, and a 1/4"-20 internal-thread tool connection. It is designed for TS quick-change discs and is manufactured by 3M. The internal thread ensures secure attachment to compatible angle grinders and die grinders.
Where to buy the 3M 77729 backup pad worldwide?
3G Electric supplies the 3M 77729 backup pad to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine 3M parts and support your procurement needs across multiple departments.
How to install a 3M Quick Change Disc Backup Pad?
To install the 3M backup pad, thread the 1/4"-20 internal-thread connection onto your tool's spindle. Hand-tighten securely; do not use tools that may over-torque. Ensure the pad is clean and free of debris before attaching a TS quick-change disc. Always follow the tool manufacturer's safety guidelines.
Used in
Common applications for 3M3M Products
3G Electric supplies 3M internal-thread backing pads for ts quick-change discs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



