BHA Zirconia Resin Fiber Sanding Discs 4.5in x 7/8in, 24 Grit, 25 Pack

Overview

The BHA Zirconia Resin Fiber Sanding Discs are designed for professional-grade material removal and finishing. This set includes 25 discs, each measuring 4-1/2 inches in diameter with a 7/8 inch arbor, making them compatible with common angle grinders when used with a backing pad and nut. The 24 grit rating provides bold initial stock removal and a smoother finish as you work across different materials.

Key Features

• Pack of 25 discs for bulk projects and steady workflow
• 4-1/2" diameter with 7/8" arbor hole for standard grinders
• 24 grit for rapid material removal and weld blending
• Suitable for ferrous and non-ferrous metals, as well as wood and fiberglass
• Designed to be used with a backing pad and nut on an angle grinder

Versatility in Real-World Uses

These discs excel at smoothing weld seams and blending transitions on metal projects, while also handling wood and fiberglass surfaces. The zirconia-enhanced resin fiber formulation offers a durable finish that can help you tackle both rough shaping and refined detailing in a single pass.

Because the discs are compatible with standard angle grinders, you can integrate them into your existing workflow without additional adapters. The combination of size, arbor compatibility, and grit makes them a practical choice for workshop setups, fabrication shops, or DIY garages where reliability matters.

Practical Tips and Safety

• Always use with a backing pad and nut as recommended by your grinder’s manufacturer.
• Follow tool safety guidelines and wear appropriate PPE, including eye protection and gloves.
• Match the disc to the material and desired finish to balance removal rate and surface quality.

Note: While these discs can help achieve smoother welds and cleaner edges, results depend on your technique, material, and tool settings. They are designed to offer consistent performance across a range of common substrates.