49PC Thread Repair Thread Chaser Tool Set, Clean, Chase & Restore SAE and Metric Threads,Automotive Wheel Stud Spark Plug Engine Standard Screw Threading UNC UNF

Chromium-molybdenum steel (CR-MO) material: All joints are made of chromium-molybdenum alloy steel, significantly enhancing the product's strength, high-temperature resistance and corrosion resistance, making it suitable for industrial environments with high requirements.

Precautions - When opening the storage box, make sure the side with the label is facing up. After opening, you can immediately distinguish between coarse, fine, metric and SAE chasers and molds

RECISION RESTORER - Specially crafted to chase worn and damaged threads, the kit acts as a thread restorer and cleaner, removing stubborn dirt and corrosion without compromising metal integrity.

MASTER KIT - Comprehensive master metric and SAE standard thread repair chaser tool set includes: UNC(silver): 5/8”-11, 9/16”-12, 1/2”-13, 7/16”-14, 3/8”-16, 5/16”-18, 1/4”-20; UNF(black): 5/8”-18, 9/16”-18, 1/2”-20, 7/16”-20, 3/8”-24, 5/16”-24, 1/4”-28; Metric(gold): M14x1.5, M12x1.75, M12x1.5, M12x1.25, M11x1.5, M10x1.5, M10x1.25, M10x1.0, M8x1.25, M6x1.0.

Thanks to the chromium-molybdenum steel material and precise thread processing, the product ensures a long-lasting and reliable sealing connection under high pressure, high temperature or harsh working conditions, and is widely used in hydraulic systems, pneumatic tools, mechanical equipment and industrial pipelines and other fields.