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3M 5 in Low Profile Hook-and-Loop Disc Backup Pad with 5/16"-24 Threaded Shank - Threaded-Shank Sanding Disc Backing Pads
3MThreaded-Shank Sanding Disc Backing Pads

3M 5 in Low Profile Hook-and-Loop Disc Backup Pad with 5/16"-24 Threaded Shank

The 3M Low Profile Hook-and-Loop Disc Backup Pad (5 in Dia x 11/16 in T, MPN 77855) is a threaded-shank sanding disc backing pad with a 5/16"-24 tool connection. 3G Electric interprets demand and delivers this…

SKU 3G-OTH-530861

Brand
3M
Item
5 in Low Profile Hook-and-Loop Disc Backup Pad with 5/16"-24 Threaded Shank
Part Number
77855
Category
Threaded-Shank Sanding Disc Backing Pads
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Technical Specifications

3M
Manufacturer Part Number
77855
Threaded-Shank
5/16"-24
Tool Connection
5/16"-24 Threaded-Shank

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

Product Description

The 3M Low Profile Hook-and-Loop Disc Backup Pad (5 in Dia x 11/16 in T, MPN 77855) is a threaded-shank sanding disc backing pad with a 5/16"-24 tool connection. 3G Electric interprets demand and delivers this genuine 3M part across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the 3M Low Profile Hook-and-Loop Disc Backup Pad used for?

This 5-inch diameter backup pad supports sanding discs on angle grinders and die grinders. It provides a firm, low-profile backing for hook-and-loop abrasive discs, enabling efficient material removal and finishing across metalworking, woodworking, and automotive applications.

What are the specifications of the 3M 77855 backup pad?

The 3M 77855 backup pad has a 5-inch diameter, 11/16-inch thickness, and a 5/16\"-24 threaded-shank tool connection. It is designed for use with hook-and-loop sanding discs and is manufactured by 3M under part number 77855.

Where to buy the 3M 77855 backup pad worldwide?

3G Electric supplies the genuine 3M 77855 backup pad worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source across 14 industrial departments to meet your demand.

How to install the 3M threaded-shank backup pad?

Thread the 5/16\"-24 shank into the compatible tool spindle by hand until snug, then tighten with a wrench. Ensure the pad is seated flat. Always follow the tool manufacturer's torque specifications and use appropriate personal protective equipment during installation.

Used in

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3M 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 3M backing pad features a hook-and-loop surface for secure sanding disc attachment. With a 5-inch diameter and 11/16-inch thickness, it has a multi-hole design for vacuum dust extraction. The 5/16"-24 threaded shank connects to compatible sanders. Suitable for surface finishing and material removal in industrial applications
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This 3M backing pad features a hook-and-loop surface for secure sanding disc attachment. With a 5-inch diameter and 11/16-inch thickness, it has a multi-hole design for vacuum dust extraction. The 5/16"-24 threaded shank connects to compatible sanders. Suitable for surface finishing and material removal in industrial applications
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This 3M backing pad is 5 inches in diameter and 3/8 inch thick, with a 5/16"-24 threaded-shank tool connection. It features a hook-and-loop surface for attaching compatible sanding discs and a vacuum-hole design for dust extraction during sanding operations on surfaces such as wood, metal, or composites
This 3M backup pad is designed for use with pressure-sensitive adhesive (PSA) sanding discs. It features a 5-inch diameter, 3/8-inch thickness, and a 5/16"-24 threaded-shank tool connection. The pad includes 5 vacuum holes for dust extraction during sanding and finishing operations
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This 3M backup pad is designed for use with pressure-sensitive adhesive (PSA) sanding discs. It features a 5-inch diameter, 3/8-inch thickness, and a 5/16"-24 threaded-shank tool connection. The pad includes 5 vacuum holes for dust extraction during sanding and finishing operations
This 6-inch diameter, 3/8-inch thick backing pad features a 5/16"-24 threaded-shank for attachment to compatible sanders. It is designed for use with hook-and-loop sanding discs and includes vacuum holes for dust extraction during sanding operations
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This 6-inch diameter, 3/8-inch thick backing pad features a 5/16"-24 threaded-shank for attachment to compatible sanders. It is designed for use with hook-and-loop sanding discs and includes vacuum holes for dust extraction during sanding operations
This 5-inch diameter, 3/4-inch thick backing pad features a 5/16"-24 threaded shank for attachment to compatible rotary tools. The 5-hole vacuum design allows dust extraction during sanding, improving visibility and reducing cleanup in surface preparation and finishing tasks
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This 5-inch diameter, 3/4-inch thick backing pad features a 5/16"-24 threaded shank for attachment to compatible rotary tools. The 5-hole vacuum design allows dust extraction during sanding, improving visibility and reducing cleanup in surface preparation and finishing tasks

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This 3M backing pad is designed for use with hook-and-loop sanding discs. It features a 5-inch diameter, 3/4-inch thickness, and a 5/16"-24 threaded shank for tool connection. The non-vacuum model is suitable for surface preparation and finishing tasks on various materials
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This 3M backing pad is designed for use with hook-and-loop sanding discs. It features a 5-inch diameter, 3/4-inch thickness, and a 5/16"-24 threaded shank for tool connection. The non-vacuum model is suitable for surface preparation and finishing tasks on various materials
This 3M backing pad supports pressure-sensitive adhesive (PSA) sanding discs for surface preparation, blending, and finishing on metal, wood, and composites. It features a 5/16"-24 threaded-shank tool connection for use with angle grinders or sanders. The medium-density foam provides consistent backing for uniform scratch patterns. Non-vacuum design
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This 3M backup pad has a 5-inch diameter and 3/8-inch thickness with a hook-and-loop surface for quick disc changes. It features a 5/16"-24 threaded-shank tool connection for secure mounting on compatible sanders. Used in surface preparation and finishing tasks on metal, wood, or composites
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This 3M backup pad has a 5-inch diameter and 3/8-inch thickness with a hook-and-loop surface for quick disc changes. It features a 5/16"-24 threaded-shank tool connection for secure mounting on compatible sanders. Used in surface preparation and finishing tasks on metal, wood, or composites
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