The OSG UNC A-Spiral Flute Threading Tap is a high-performance right-hand tool designed for tapping UNC 7/8-9 threads in blind holes. Crafted from powder metal and TiCN-coated, it delivers durable, precise results in demanding metalworking applications.

• Thread type: UNC A - Spiral Flute for efficient cutting
• Size / pitch: 7/8" diameter, 9 TPI (UNC 7/8-9)
• Material: Powder Metal construction for enhanced durability and wear resistance
• Coating: TiCN coating increases hardness and reduces friction for longer tool life
• Flute design: Right-hand spiral flute supports smooth chip evacuation in blind holes
• Hole compatibility: DIN2184-1 compliant for tapping blind holes with consistent results
• Manufacturer: OSG precision threading taps for reliable performance

Designed to maintain steady performance under high-speed and high-precision tapping conditions, this tap helps you achieve clean, accurate threads in tight, non-through holes. The spiral flute reduces built-up chips and prevents capture, while the TiCN coating minimizes wear and heat generation, enabling longer runs between changes. Ideal for production environments and repair work in automotive, machinery, and general fabrication where durable, dependable UNC threading taps are essential.