Due to the high demand for bore brushes in the shop, which matches the number sold, we have decided to offer these custom-made, high-quality brushes in bulk packs. This approach is designed to enhance convenience for our customers and reduce overall costs. By purchasing in bulk, users can ensure they always have a supply on hand, minimizing downtime and maximizing efficiency in their cleaning processes. Precision-engineered steel, meticulously looped and expertly wound to form a robust shank structure Male threads with a 5/16-27 unified national special (UNS) specification