The OSG UNC A-Spiral Flute Threading Tap is a high-performance tool engineered for precise UNC threading in blind holes. Designed for professional machinists and production environments, it delivers durable, dependable performance in demanding applications.

• Thread Type: UNC (Unified National Coarse) threads for versatile, general-purpose tapping in blind holes.
• Flute Design: A-spiral flute geometry enhances chip evacuation and reduces pull-out forces during entry in blind-hold workpieces.
• Material: Powder metal body provides superior durability, wear resistance, and strength under tough cutting conditions.
• Coating: TiCN coating increases hardness, lowers friction, and extends tool life for higher-speed, higher-precision tapping.
• Size and Compatibility: Right-hand thread, DIN2184-1 format, 1/2" diameter with 13 threads per inch (1/2 x 13 UNC).
• Application: Specifically optimized for blind-hole tapping, delivering consistent thread quality across deep or restricted depths.

Equipped with a TiCN-coated powder metal body and an efficient spiral flute design, this tap supports high-speed, precision threading with longer tool life and fewer reworks. The combination of coating, material, and geometry helps maintain clean, accurate threads in challenging blind-hole applications, making it a reliable choice for both production runs and critical repairs where UNC threads are required.