Carmex Threading Tap - Forming Tap (Roll) - UNC Supercut Tap - Powder Metal - 3/8 x 16The Carmex Threading Tap is a forming tap (roll) designed for UNC coarse threading, built for professionals who demand durability and precision in demanding materials. Sized at 3 8 x 16, it delivers consistent thread quality in high speed production environments. Type: Forming Tap (Roll) geometry that forms threads by deformation, producing smooth, accurate UNC threads. Thread Standard: UNC (Unified National Coarse) with Supercut geometry for robust,