Made in the U.S.A. to rigid specifications. High speed steel construction. Heat treated and tempered for longer tool life. Ground threads with hand polished threads - not machine polished. CAUTION - Any cutting tool may break or shatter under improper use. Always use safety glasses and appropriate safety equipment.

Made in the U.S.A. to rigid specifications. Special Hi-Tungsten/Hi-Molybdenum alloy for durability. Ferro-Gold surface treatment ensures smooth cutting. Heat treated and stress relieved for extended tool life. Precision ground threads enhance performance. Ideal for tough to thread applications. Custom imprinted with SP+ Series, Size, K-M, U.S.A., HS, Thread Limits, and Part Number.