OSG Straight Flute Hand Tap, General Purpose, Series: 103, Measurement System: Imperial, UNC, 5/16-18, 1.5P-2P Bottoming Chamfer, 3 Flutes, HSS, Bright, Right Hand Cutting, 0.835 in Thread Length, 2.72 in Overall Length, 0.318 in Shank Dia, Ferrous and Non-Ferrous Metals Material Application, H3 Thread Limit, No Through Coolant (Yes/No)