The Dormer E524 HSS UNF Hand Tap is an essential tool for precision threading in Unified National Fine threads. Engineered from high-speed steel, this hand tap offers exceptional strength and durability, making it ideal for both professional and industrial use. The hand taps are designed to deliver consistent, reliable results in threading operations. Its high-speed steel construction guarantees the tap remains sharp and effective over numerous uses. Features & Benefits • High speed steel with bright finish • UNF, right hand thread • ISO 529 • Tolerance: 2B Specifications • Diameter: 9/16 • Type: Second • Overall Length: 95mm