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HSS Tap UNF Inter-7/16x20
HSS Tap UNF Intermediate – 7/16 x 20
This high-speed steel (HSS) intermediate tap, also known as a second tap, is manufactured for cutting accurate internal threads to the Unified National Fine (UNF) standard, sized 7/16" x 20 TPI (threads per inch). With a medium lead-in taper, it balances ease of cutting with precision, making it suitable for both through holes and blind holes. It is typically used after a taper tap and before a bottoming tap in a full set.
Key Features:
Size: 7/16" UNF (20 TPI)
Type: Intermediate (Second) tap – versatile for general-purpose threading
Material: High-Speed Steel (HSS) for strength, durability, and wear resistance
Thread Standard: Unified National Fine (UNF) – widely used in automotive, aerospace, and fine-thread engineering applications
Applications: Ideal for repair, maintenance, fabrication, and workshop use
Strong, durable, and precise, this intermediate tap ensures smooth cutting action and accurate thread formation in a wide range of materials.