3M 7000121946 Surface Conditioning Rc Belt 15.5x3.5 in Ao

Product Description

The 3M 7000121946 is a non-woven surface conditioning RC abrasive belt designed for one-step workpiece preparation ahead of final finishes and coatings. Built with aluminum oxide abrasive on a resilient RC material, it delivers high initial cut rate and maintains extended cut rate throughout belt life. The construction provides enhanced edge durability and flexibility, making it a reliable choice for deburring, blending, cleaning, and finishing operations on composites and softer metals. Licensed trade fabricators, metal finishers, and maintenance technicians typically use this belt on stationary or portable belt grinders where consistent surface prep is required.

This belt is suited for general-purpose surface conditioning in fabrication shops, maintenance facilities, and finishing operations handling composites and softer metals. It performs most efficiently on flat surfaces and is a practical starting point for bringing stainless steel to a No. 4 finish. Applications include coating removal, blending weld seams, cleaning oxidized surfaces, and light deburring prior to painting or plating. The belt measures 15.5 inches in length by 3.5 inches in width, fitting belt grinders configured for that size.

Key Features

• Aluminum oxide on RC non-woven material provides high initial and extended cut rate
• Enhanced edge durability extends belt service life under sustained use
• Flexible construction conforms to workpiece surfaces and reduces gouging risk
• Suitable starting point for finishing stainless steel to a No. 4 finish
• Designed for blending, coating removal, finishing, and light deburring in a single pass
• Performs most efficiently on flat surfaces at average operating pressures

Compatibility

Designed as an OEM-style replacement or direct-fit belt for belt grinders and finishing machines configured for a 15.5-inch by 3.5-inch belt size. Suited for use on composites and softer metals including stainless steel.

Installation Notes

Metal fabricators and finishing technicians should power down and de-energize the belt grinder before changing belts. Verify the machine is rated for the belt dimensions before mounting. Inspect tracking adjustment and tension per the grinder manufacturer guidelines before resuming operation. Follow applicable shop safety and PPE requirements including eye protection and respiratory protection when grinding or finishing metal surfaces.

Technical Specifications

• Abrasive Material: Aluminum Oxide
• Belt Construction: Non-Woven RC Material
• Belt Length: 15.5 inches
• Belt Width: 3.5 inches
• Weight: 2.55 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10
• UPC: 051115333397

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121946