Industrial 65705K3 Carbon Brush

Ace Carbon Co. ST-417 carbon brush, measuring 1/4" x 3/8" x 11/16" and identified by part number 65705K3, is a replacement carbon brush designed for equipment that uses the ST-417 form factor. This compact brush is listed under the ST-417 family by Ace Carbon Co. and is commonly cataloged alongside variants such as 65705K31 in supplier inventories, reflecting typical packaging configurations for the same size. The 1/4" thickness, 3/8" width, and 11/16" length define its cross-sectional footprint and physical fit within compatible motor housings and commutator assemblies. As a genuine Ace Carbon product, it represents a standard option for refurbishing small to mid-size motion-control or drive motors that require an ST-417 replacement brush. The 65705K3 designation anchors this unit in catalogs and distribution networks that serve hobbyist and professional repair applications, offering a direct match for devices specified to accept this exact size and part code.