Seco Threadmaster™ Spiral Flute Tap, Helix Blind Hole, Measurement System: Imperial, 0.167 in Size, UNC Thread Standard, 8-32 Thread, Modified Bottoming Chamfer, 3 Flutes, HSS-E-PM, Uncoated, Class of Fit: 2B, 0.512 in Thread Length, 2.48 in Overall Length, 0.177 in Shank Diameter, 2B Thread Limit, Superalloy and Titanium Material Application, Through Coolant: No

Seco's range of 351 helix point and 73 straight threading taps for blind holes are available for general-purpose and material-specific applications. Many are available in both with and without internal coolant in both helix and straight fluted taps. Tap dimensions for general-purpose range from 3 to 64 mm and in thread profiles M, MF, UNC, UNF, G, NPT and NPTF. Material-specific (ISO P, M and N) helix taps cover 1.6 to 30 mm in thread profiles M and MF. Straight fluted (ISO-K) thread profiles cover 3 to 42 mm in thread profiles M, MF, UNC, UNF and G.