The Kennametal S159‑850AP is a premium long-venturi blast nozzle designed for high-efficiency abrasive blasting. Featuring a 1/2″ (≈12.7 mm) bore machined from wear-resistant SiAION silicon nitride, it delivers increased abrasive velocity and coverage. The nozzle is molded with a polyurethane jacket and 50 mm contractor-style threads, offering a durable, lightweight alternative to metal jackets. Ideal for industrial surface preparation, coating removal, and large-area cleaning, the S159‑850AP provides enhanced productivity and extended service life