1/2" BSPF HSS Bottoming Hand Tap Sutton Product Type_Switch automatic reversal types which are

automatic reversal types which are fully jewelled with completely independent movement

- 1/4" hex head driver

Bolt Hole Quantity: 20

They're available in plastic or aluminum

Brand: ‎Fel-Pro

1/2" BSPF HSS Bottoming Hand Tap Sutton Product Type_Switch automatic reversal types which areParallel (straight) thread, British Standard Pipe Parallel thread BSP; originally also known as British Standard Pipe Fitting thread BSPF which have a constant diameter. For producing precision threads by hand tapping, ideal for finishing blind holes. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 14 Overall length 87mm Cutting length 26mm Drill diameter