The OSG Threading Tap UNF A-Spiral Point is a precision through-hole tap designed for Unified National Fine threads. Built for high-performance machining, this right-hand tap combines a TiCN-coated, powder-metal body with an A-Spiral Point geometry to deliver clean, accurate threads in demanding applications.

• Thread type and size: UNF threading for through-holes, DIN2184-1 compatibility, No.4 x 40 size.
• A-Spiral Point geometry: Efficient chip evacuation that pushes chips ahead of the cutting edge for through-hole tapping.
• Material: Powder-metal substrate for enhanced wear resistance and toughness under heavy cutting.
• Coating: TiCN coating reduces friction, improves heat resistance, and extends tool life.
• Orientation: Right-hand cut designed for standard assembly threads and conventional tapping procedures.
• Application focus: Specifically optimized for through-hole tapping in a variety of metals and alloys, delivering consistent thread quality.

This tap supports reliable, repeatable results in production runs and precision work alike. The combination of powder-metal durability, low-friction TiCN coating, and the A-Spiral Point geometry helps maintain thread accuracy, minimize burrs, and improve overall productivity in UNF through-hole projects.