Merit Abrasives 69957399703 Quick-change Disc 240 Grit

Product Description

The MERIT ABRASIVES 69957399703 is a coated quick-change abrasive disc designed for use with Power-Lock Type 3 (TR/Type III) handheld disc sanders. At 1.5 inches in diameter with a 240-grit aluminum oxide abrasive surface, this disc falls in the very fine grade range, making it well suited for precision deburring, light surface cleaning, and detail finishing work. The disc features a rigid, X-weight 2-ply polyester backing that provides durability and supports a faster cut rate compared to lighter backing materials. The brown coated surface delivers consistent material removal across multiple metal substrates.

This disc is intended for professional metalworking and fabrication applications where controlled, fine-grit finishing is required. Typical use cases include surface prep and detailing on 300 series stainless steel, brass, bronze, hard carbon steels, soft carbon steels, and titanium. The compact 1.5-inch diameter and quick-change attachment system make it practical for tight access areas and high-volume repetitive tasks in both shop and field settings. It is sold individually with a minimum order quantity of 100 units.

Key Features

• 240 grit, very fine grade aluminum oxide abrasive for controlled finishing and deburring
• Power-Lock Type 3 (TR/Type III) and Type R quick-change attachment system
• Rigid X-weight 2-ply polyester backing for extended disc life and faster cut rate
• Rated to 30,000 RPM for use with standard handheld disc sanders
• Compatible with 300 series stainless steel, brass, bronze, hard and soft carbon steels, and titanium
• Brown coated surface with black button; Series R766

Compatibility

Designed for use with handheld disc sanders accepting Power-Lock Type 3 (TR/Type III) and Type R quick-change attachments. Suitable for material removal and finishing on 300 series stainless steel, brass, bronze, hard carbon steels, soft carbon steels, and titanium.

Installation Notes

Installation and disc changes should be performed by a qualified operator following the equipment manufacturer's guidelines. Verify the tool spindle speed does not exceed the disc's 30,000 RPM rating before mounting. Inspect the disc for damage before each use and discard any disc showing cracks, tears, or delamination. Always wear appropriate PPE including eye protection and gloves when operating abrasive tools.