The OSG UNC Spiral Point Threading Tap is built for professionals tackling through-hole threading with precision and reliability. Crafted from HSS-E (high-speed steel with cobalt) and finished with a Steam Oxide coating, it delivers durable performance in demanding metalworking tasks.

• Material: HSS-E (high-speed steel with cobalt) for increased hardness and wear resistance
• Coating: Steam Oxide coating to reduce friction and extend tool life
• Threading geometry: UNC Spiral Point design for efficient chip evacuation and smooth threading in through-hole applications
• Size: 7/16" x 14 UNC, standard through-hole threading specification
• Application: Ideal for through-hole tapping in metalworking projects requiring precise, durable threads
• Brand: OSG, a trusted name in precision threading tools and advanced manufacturing technology

This tap combines the heat resistance and wear performance of cobalt-enhanced steel with a coating that reduces friction, helping maintain cutting efficiency even under extended use. The spiral point pushes chips forward, minimizing clogging and rework while delivering consistent, high-quality UNC threads. Perfect for production runs, repairs, or assemblies where dependable threading performance matters most.