Carmex Threading Tap - Spiral Point - UNC Supercut Tap - HSS-E - 1/2 x 13The Carmex Spiral Point UNC Supercut Tap is a precision threading tool built for machinists and fabricators who demand dependable UNC threads in challenging materials. Designed for high speed tapping, it delivers clean, accurate results with every cut. Thread Type: UNC (Unified National Coarse) for robust, standard coarse thread engagement Size x Pitch: 1 2 x 13 UNC, a common size for medium to heavy duty fastening Design: Spiral Point that pushes