The 75mm M14 crimp wire brush is a cup-shaped abrasive accessory for rotary power tools, primarily used with angle grinders to remove rust, scale, paint and weld spatter and to prepare metal surfaces prior to finishing. Its compact 75mm diameter and M14 threaded arbor make it suitable for confined spaces and for use on 115–125mm class grinders fitted with an M14 spindle.

Construction uses crimped wire filaments anchored into a pressed steel cup. The standard version is supplied with tempered high-carbon steel wire (typical wire diameter 0.30–0.45mm) for aggressive material removal; a stainless option (AISI 304) is available for work on stainless steels and corrosion-sensitive surfaces. The brush body is steel and finished to resist handling corrosion; the fitted thread is M14 × 2.0 in the ISO metric coarse thread form to ensure secure mounting on compatible grinders.

As a cup brush the head type offers a broad contact area for surface conditioning, and the crimped wire profile delivers a balance between stock removal and surface finish—less aggressive than knotted wire but more durable and productive than filament disc brushes. Drive compatibility is via the M14 internal thread, which conforms to ISO metric thread standards and is compatible with European and UK angle grinder spindles that accept M14 fittings; always check tool spindle and accessory RPM ratings before use.

Typical industries and applications include metal fabrication, welding shops, vehicle restoration, shipyards, HVAC maintenance and general site maintenance where paint and corrosion need removing prior to repainting or inspection. The tempered wire offers good fatigue resistance and filament strength for repeated use; the stainless option provides improved corrosion resistance for outdoor and marine environments and is suitable for working on stainless steel without causing contamination.

Key benefits are efficient surface preparation in tight areas, compatibility with standard M14 grinders, choice of wire material for application-specific corrosion resistance and a crimped wire form that balances durability and surface finish. For safety and longevity, operate within the tool and accessory speed limits and use appropriate PPE.

Duchy Fasteners stocks the 75mm M14 crimp wire brush in single units and multi-packs and offers carbon and stainless variants. See our wire brush range for other diameters and drive types to match your application.