Brownells .458 Cal #10-32 Male Beefy Bore Brush, Pack of 12

Featuring a 'form-through' shank design, these cleaning brushes are built to stay intact under the stress of big-bore scrubbing. With robust 10-32 thread couplings and a choice of bronze, stainless steel or nylon bristles, they're a perfect match for Dewey's large-bore coated rods. Phosphor bronze bristles, known for their superior conductivity and corrosion resistance, are engineered to optimize performance in demanding electrical and mechanical applications Precision-engineered steel, meticulously looped and expertly wound to form a robust shank structure 10-32 unified thread standard (UTS) male thread