YG-1 Spiral Flute Tap, High Performance Square Shank, Series: B1 Series, Measurement System: Imperial, 0.1521 in, UNC, #10-24, 2P-3P Modified Bottoming Chamfer, 3 Flutes, HSSE-V3, Bright, Class of Fit: 2/2B/3B, Right Hand Cutting, 0.354 in Thread Length, 2.38 in Overall Length, 0.194 in Shank Dia, Right Hand Flute Direction, H3 Thread Limit, Medium to High Carbon Steel, Low Alloyed Steel, Free Machining Stainless Steel, Low Carbon Steel, Free Machining Carbon Steel, Pure Aluminum, Aluminum Alloy, Pure and Alloyed Copper, Free Machining Brass, Alloyed Brass, Zinc and Magnesium Material Application