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):
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6-40 UNF
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8-36 UNF
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10-24 UNC
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10-32 UNF
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1/4″-28 UNF
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5/16″-24 UNF
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3/8″-24 UNF
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7/16″-20 UNF
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1/2″-20 UNF
Matching Jobber-Length Drill Bits (M2 HSS, Fully Polished, 135° Split Point):
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#36, #29, #25, #21, #3
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Letter I, Letter Q
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25/64″, 29/64″
Key Features:
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Premium M2 High-Speed Steel for long life and sharp threading performance
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135° Split Point Drill Bits for accurate starts and reduced walking
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Precision-ground Plug Taps for clean, consistent threads
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Organized in a Durable HUOT Case – Made in the USA
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Ideal for fine-thread repair, fabrication, automotive, aerospace, and industrial use
