1/2" UNF HSS Taper Hand Tap Sutton 6450240 misshapen or misaligned holes in

misshapen or misaligned holes in structural steel

16 TPI UN external threading insert

Phosphated black tip

Most Fel-Pro Performance intake manifold gaskets have Printoseal construction

Flute length L2 8"

1/2" UNF HSS Taper Hand Tap Sutton 6450240 misshapen or misaligned holes inFor producing precision threads by hand tapping, for starting threads either second or bottoming taps should used after to achieve desire thread depth. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 20 Overall length 89mm Cutting length 29mm Drill diameter 11. 5mm