Dremel 404 Bristle Cup Brush

The Dremel 404 Bristle Cup Brush is a precision rotary accessory designed for light deburring, cleaning and polishing applications on precious metals. This compact cup brush attachment is particularly well-suited for working with silverware, jewellery and other valuable metal items where a gentle yet effective finish is required. The bristle construction allows for controlled material removal and surface preparation without aggressive abrasion, making it ideal for restoring shine to delicate pieces. The brush can be used in conjunction with polishing compound to achieve professional-quality results on intricate metalwork. With a 3.2mm shank diameter, this accessory fits standard Dremel rotary tools and similar compatible multi-tools. The 13mm working diameter provides good coverage whilst maintaining precision control for detailed work, making it suitable for both professional jewellers and craftspeople working with precious metals.