Engineered for precision threading in blind holes, the OSG Metric Fine A-OIL-Spiral Flute Tap delivers high-precision M20 x 1.5 threads with reliable oil-lubricated performance. It’s ideal for machinists and shops that demand clean, repeatable results in hard-to-reach interiors.

• Thread type: Metric fine thread, M20 x 1.5, designed for high-precision engagement
• Flute design: A-OIL-Spiral Flute to optimize chip evacuation and oil delivery for smoother cuts
• Material: Powder Metal construction for enhanced wear resistance and longevity
• Coating: TiCN coating increases surface hardness and reduces cutting friction
• Cut direction: Right-hand threading for standard external rotation operations
• Application: Suitable for threading in blind holes with dependable performance
• Standards: DIN374 compliance ensures compatibility with common tooling setups
• Brand: OSG—trusted precision threading tools for professional machinists

With a hard-wearing powder-metal core and a TiCN-coated edge, this tap delivers longer tool life, fewer tool changes, and consistent thread quality in challenging blind-hole applications. The spiral-flute geometry enhances chip evacuation, reducing the risk of clogging and built-up edge, while the oil-oriented design maintains cutting efficiency at higher speeds. Whether you’re creating new threads or repairing critical interiors, this tap offers dependable performance, repeatable results, and an improved surface finish in metalworking projects.