National FINE Thread Tap and Drill Set – Premium M2 HSS –This professional-grade National Fine (UNF) Tap and Drill Set is a must-have for machinists, mechanics, metalworkers, and anyone working with fine-thread fasteners. Manufactured from M2 High-Speed Steel (HSS), each tap and drill bit is machine ground and fully polished for precision, performance, and durability. Stored in a rugged HUOT steel case, this set is built to last. Includes: UNF Plug Taps (M2 HSS): 6-40 UNF 8-36 UNF 10-24 UNC 10-32 UNF 1/4″-28 UNF 5/16″-24 UNF 3/8″-24 UNF 7/16″-20 UNF 1/2″-20 UNF Matching Jobber-Length Drill Bits (M2 HSS, Fully Polished, 135° Split Point): #36, #29, #25, #21, #3 Letter I, Letter Q 25/64″, 29/64″ Key Features: Premium M2 High-Speed Steel for long life and sharp threading performance 135° Split Point Drill Bits for accurate starts and reduced walking Precision-ground Plug Taps for clean, consistent threads Organized in a Durable HUOT Case – Made in the USA Ideal for fine-thread repair, fabrication, automotive, aerospace, and industrial use Looking for National Coarse? Tap and Drill Set NC
