Brownells .410 Bore 5/16-24 Male Standard Line Bore Brush, Pack of 12

We offer custom-made, high-quality bore brushes in bulk packs to enhance convenience and reduce costs, as nearly as many brushes are used in the shop as are sold. Each brush features a one-piece, looped and wound shank, as opposed to two twisted together and cut off. The nylon bore brush is designed to withstand new-generation bore cleaners that aggressively target copper and bronze-based bullet jacket fouling, which can be harsh on bronze cleaning brushes. Our nylon brushes are resistant to these powerful cleaners and prevent accuracy-compromising scratches. The brushes are constructed with one-piece, looped and wound steel shanks. Precision-engineered steel, meticulously looped and expertly wound to form a robust shank structure Male threads with a 5/16 inches diameter and a 24 threads per inch (tpi) pitch