OSG Straight Flute Hand Tap, General Purpose, Series: 141, Measurement System: Metric, Coarse Thread, M6x1 Thread, Bottoming Chamfer, 4 Flutes, HSS, Steam Oxide, Right Hand Cutting, 1 in Thread Length, 2-1/2 in Overall Length, 0.255 in Shank Dia, 33 mm Shank Length, Material Application: Aluminum, Cast Aluminum, Cast Iron, High Carbon Steel, Low Carbon Steel and Medium Carbon Steel, D5 Thread Limit, Through Coolant: No