Backup pad 4-1/2″ diameter 5/8-11 spiral cool fibre disc

4-1/2″ Spiral Cool Backup Pad – 5/8″-11 for Fibre Discs The 4-1/2″ Spiral Cool Backup Pad – 5/8″-11 is engineered for use with 4-1/2″ resin fibre sanding discs on angle grinders. Featuring a medium-density design, this backup pad delivers an excellent balance of flexibility and support for general-purpose grinding, blending, and finishing applications. The unique spiral vent pattern promotes airflow across the disc surface, helping to reduce heat buildup during use. By keeping abrasives cooler, this design helps extend disc life and maintain consistent performance. Constructed with a durable rubber body, this backup pad provides excellent resilience, heat resistance, and smooth pressure distribution. Key Features Spiral Cool Vent Design – Promotes airflow to reduce heat buildup Medium-Density Construction – Balanced flexibility and support Designed for 4-1/2″ Fibre Discs – Compatible with resin fiber sanding discs 5/8″-11 Threaded Hub – Secure mounting on angle grinders Durable Rubber Body – Resilient construction for consistent performance Ideal For General grinding Blending and feathering Surface finishing Use on metal and stainless steel General fabrication and maintenance work Specifications Pad Diameter: 4-1/2″ (115 mm) Thread Size: 5/8″-11 Density: Medium Body Material: Rubber Design: Spiral vented cooling pattern Disc Type: Resin fiber discs Application: Grinding, blending, finishing