The OSG Threading Tap is a metric A-Spiral flute tap designed for precise threading of blind holes. Built for professional machinists and high-demand shops, it combines a TiCN-coated, powder-metal body with a stable HB Weldon shank for reliable performance on M8 x 1.25 threads (DIN371/1835).

• Size / Thread: M8 x 1.25, metric thread per DIN371/1835
• Flute Design: A-Spiral flute optimizes chip evacuation in blind holes for smoother tapping
• Material: Powder-metal construction delivers strong wear resistance and durability in repeated use
• Coating: TiCN coating provides a harder contacting surface, reduces friction, and extends tool life
• Shank: HB Weldon shank ensures stable drive and accurate alignment in holders
• Direction: Right-hand threading suitable for clockwise operation
• Application: Specifically engineered for metric blind-hole tapping in metalworking applications

The combination of A-Spiral geometry, TiCN coating, and powder-metal construction translates to cleaner threads, fewer re-tap jobs, and longer tool life in production environments. The spiral flute reduces chip buildup in deep blind holes, while the Weldon shank maintains precise alignment for consistent hole quality. Ideal for machine shops, contract manufacturers, and automotive or aerospace assembly lines where reliable, high-precision blind-hole threads are required. For best results, use proper cutting fluid, adhere to recommended speeds, and ensure correct pre-drill sizes to maximize performance and tool life.