The OSG UNC A-Spiral Point threading tap is a reliable, precision tool designed for through-hole UNC threading. Crafted for durability and consistent performance, it’s ideal for production runs and accurate prototyping where standard UNC threads are required.

• Thread Type: UNC (Unified National Coarse) A-Spiral Point, right-hand
• Hole Type: Through-Hole (DIN2184-1) compatibility for efficient tapping
• Size: No.4 x 40
• Material: Powder metal body for enhanced durability and wear resistance
• Coating: TiCN coating to improve heat resistance and extend tool life
• Chip Control: Spiral point geometry enables fast, reliable chip evacuation in through-holes
• Performance: Designed for high-speed tapping with a quality thread finish across a range of materials

This tap delivers clean, dependable threads with steady performance in everyday machining tasks. The powder metal construction and TiCN coating work together to withstand heat and wear, helping you maintain consistent results over longer runs. Ideal for applications ranging from automotive brackets to machinery housings, it supports efficient production without sacrificing precision.