12-28 NF HSS Bottoming Tap Sutton Brand_Powerforce This allows maximum surface contact

This allows maximum surface contact area with the tapped thread

Durable & Economical

but for internal diameters twice the tape thickness has to be subtracted

20X faster than standard drill bits – 3 seconds to tap a hole

koken 3/4"dr deep impact socket - 6 point - 32mm single item

12-28 NF HSS Bottoming Tap Sutton Brand_Powerforce This allows maximum surface contactFor 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 48 Overall length 45mm Cutting length 10mm Drill diameter 2. 1mm