Built to tackle the toughest cleaning jobs, these brushes feature an exclusive 'form-through' shank design that prevents coupling pull-out. Whether you're using bronze, stainless steel or nylon, the heavy-duty 10-32 thread couplings ensure the brush stays secure, even during aggressive big-bore cleaning. Specifically engineered for Dewey 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

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