• Made in the U.S.A. to Kimball Midwest's rigid specifications.
• High speed steel.
• Heat treated and tempered for longer tool life.
• Ground chamfered threads.
• Hand polished threads - not machine polished.
• Custom imprinted with K-M, U.S.A., HS, size, and tap style - plug or spiral.
• 4 flute cutting edges.
• Available in sets containing 1 each taper, plug and bottom. 

CAUTION - Any cutting tool may break or shatter under improper use. Government regulations require use of safety glasses and other appropriate safety equipment at all times in the vicinity of use.