Wiseman Threading Tools Spiral Flute Tap – M4x0.7 with +0.002 tolerance is a precision internal-threading solution designed for reliable, repeatable results in tight workspaces. The spiral flute geometry actively evacuates chips as you cut, helping keep the hole clear and the thread crisp. This design reduces chip packing and binding, so you can tackle multiple holes with consistent accuracy.

Chip management is a cornerstone of quality threads, and the spiral flute taps are engineered to move chips upward and out of the cavity, improving cutting efficiency and reducing the risk of tap breakage in challenging holes. This is especially valuable when working with small-diameter threads or deeper pockets where debris can hinder progression.

Key benefits at a glance

• Chip evacuation: spiral flutes channel chips away from the cutting edge, promoting smoother cuts and cleaner threads.
• +0.002 tolerance: tight dimensional control ensures consistent thread engagement and reliable fastener fit.
• Internal threading: specifically built for creating precise internal threads in a variety of metals and housings.
• Durable construction: crafted from high-quality materials to withstand demanding machining environments and extended use.

This tap is ideal for small-fastener projects, enclosures, fixtures, and assemblies that require dependable M4x0.7 threads with minimal deviation. Whether you’re prototyping, repairing, or producing low-to-mid volume components, this tool helps you achieve professional-grade threads without guesswork.

Practical tips for best results

• Lubricate appropriately to reduce friction and extend tool life.
• Align the tap carefully with the hole to prevent thread misalignment.
• Use steady, consistent feeds and avoid excessive torque to minimize the risk of breakage.
• Retrace periodically to break chips and maintain smooth cutting action.