07M442 - Walter Blendex Drum, Coarse, 4-1/2" x 4"

Technical Overview

The Walter 07M442 Blendex Drum is a high-performance non-woven abrasive tool designed for linear finishing applications. Engineered with a coarse grit matrix, this drum measures 4-1/2 inches in diameter and 4 inches in width, making it compatible with standard linear finishing machines (such as the Walter Line-Mate system). The drum utilizes Walter's proprietary Blendex technology, which consists of a durable, open-web nylon structure impregnated with abrasive grain. This construction allows for consistent surface conditioning while minimizing heat generation and loading, which is critical when working with heat-sensitive alloys.

Material Compatibility and Performance

This drum is specifically formulated to process a wide range of metallic materials, including stainless steel, steel, aluminum, brass, and copper. The coarse grade is particularly effective for initial surface preparation, light deburring, and blending of weld lines or scratches. It produces a uniform, shadow-free finish that is essential for architectural metalwork, food processing equipment, and pharmaceutical machinery fabrication. The drum's dynamic balancing ensures smooth operation, reducing operator fatigue and machine wear during extended use.

Operational Specifications

Designed for industrial environments, the 07M442 offers a long service life and maintains its shape and aggressiveness throughout its usage cycle. It is an integral component for achieving specific Ra (Roughness Average) requirements in sanitary and aesthetic applications. The drum mounts securely to keyed shafts or appropriate arbors, providing reliable torque transmission for heavy-duty cleaning and burnishing tasks.