Machinists and metalworkers, this uxcell left-hand thread tap is built for serious work. The 7/16-20 UNF size with left-hand threading is perfect for specific applications where standard right-hand threads won't cut it. Made from HSS 6542 high-speed steel, this tap has the hardness and toughness to handle demanding materials without wearing out quickly. The 4 straight flute design provides excellent chip removal, which is crucial for clean, precise threads every time. With a 2B tolerance grade, you're getting industrial-level precision that meets professional standards. The uncoated finish makes it versatile for various materials including aluminum, stainless steel, bronze, and hard plastics. The total length is 80mm with a 26mm thread length, giving you plenty to work with while maintaining stability. This is definitely a machine tap meant for use with proper equipment like drill presses, tapping machines, or CNC setups - using it by hand risks breakage due to uneven pressure. Always use tapping fluid to extend the tap's life and improve thread quality. The square end measures 6x6mm, compatible with standard tap holders and collets. If you're working on projects that require left-hand threads for safety, reverse applications, or specific mechanical requirements, this tap delivers the precision and durability you need. It's one of those specialized tools that, when you need it, nothing else will do the job properly.
Free 30-day returns 
Free 30-day returns
