Schaefer Brush 43876 Spiral Tube Brush 4.75in Stainless Steel

Product Description

The SCHAEFER BRUSH 43876 is a double stem spiral tube brush designed for scrubbing and cleaning the interior walls of tubes, pipes, and cylindrical passages. It features a stainless steel fill secured to a stainless steel stem, making it well suited for applications where corrosion resistance and durability under repeated use are required. The brush measures 4.75 inches in diameter with a 4.5-inch brush length and a 7.25-inch overall length. The 0.25-inch NPSM male connection threads directly into a standard handle or extension, giving technicians a secure, tool-free mount for consistent scrubbing force.

This tube brush is used in mechanical, plumbing, HVAC, and industrial maintenance applications where tube interiors need to be cleaned of scale, debris, oxidation, or residue. The stainless steel bristle construction makes it appropriate for use on stainless steel, copper, and other metal tube materials without concern for bristle contamination. It is typically deployed by service technicians and pipefitters performing routine maintenance, heat exchanger cleaning, or condenser tube service.

Key Features

• Double stem spiral construction distributes bristle contact evenly around tube interior surfaces
• Stainless steel bristles resist corrosion and maintain stiffness through repeated cleaning cycles
• Stainless steel stem and fill material compatible with aggressive cleaning environments
• 0.25-inch NPSM male connection threads onto standard handles and extensions
• 4.75-inch brush diameter provides thorough wall contact in matching tube sizes
• Compact 7.25-inch overall length suits confined access points

Compatibility

Designed as an OEM-style replacement and general-use tube brush for cylindrical cleaning applications requiring a 4.75-inch diameter spiral brush with a 0.25-inch NPSM male threaded connection.

Installation Notes

Thread the 0.25-inch NPSM male connection onto a compatible handle or extension before use. Ensure the mating handle connection is fully seated and secure before applying rotational or linear force. When cleaning tubes in pressurized systems, verify the system is fully depressurized and drained prior to inserting the brush. Inspect bristles before each use and replace the brush if bristles show significant flare, breakage, or loss that would reduce cleaning effectiveness.