The Wiseman Threading Tools Hand Tap is a precision instrument built for craftspeople who demand exact, dependable internal threads cut by hand. With a +0.005 tolerance, this bottoming (bottom lead) tap delivers consistently accurate thread dimensions, ensuring clean engagement between bolt and hole in applications where thread quality truly matters.

Why this hand tap stands out

• Bottoming design for full-depth threads. The bottom lead geometry allows the tap to cut threads all the way to the bottom of the hole, providing complete engagement for a secure, reliable fit.
• Tighter control with +0.005 tolerance. By limiting the allowable variation, you achieve consistent thread pitch and diameter, reducing the risk of cross-threading and improving part compatibility.
• Durable construction for demanding use. Built to withstand repeated tapping in metalworking environments, delivering steady performance over time without warping or looseness.
• Metric M12x1.75 compatibility. Perfect for standard M12 fasteners and components, enabling precise, repeatable thread creation across a range of projects.

Ideal use cases

Whether you’re assembling a precision chassis, repairing a threaded hole in a machine housing, or fabricating a new component, this hand tap helps you obtain clean, accurate internal threads with minimal effort. It’s especially suited for situations where space is tight and starting alignment is critical, as the bottoming lead ensures the thread depth is achieved in one confident pass.

What you’ll experience in practice

• Consistent thread quality. Expect uniform thread form across multiple holes, which translates to smoother bolt insertion and fewer re-taps.
• Operational efficiency. The precise tolerance reduces trial-and-error time, letting you complete threaded holes faster with reliable results.
• Versatility across common metals. Suitable for use on steel, aluminum, and other readily machined materials, making it a dependable addition to any toolbox.

Specifications at a glance

Thread type: internal threads; Size: M12x1.75; Tolerance: +0.005; Lead: bottoming (bottom lead) type; Application: hand tapping for precise, full-depth threads; Material: built with durable construction designed for repeated use.

Equip your workshop with a hand tap that pairs meticulous dimension control with a robust build. The Wiseman Threading Tools Hand Tap is ready to help you achieve dependable, high-integrity threads every time you work with metal.