3/8" UNF HSS Second Hand Tap Sutton 4120340 Supplied with feelers for internal

Supplied with feelers for internal and external measurement and torque arm

Forged in Chrome Molybdenum steel with treated jaws for a longer working life

you're going to need one of these Trans-Dapt spin-on filter bypass adapters first

#7 Cobalt Jobber Drill 0

8Pce Imperial Set:

3/8" UNF HSS Second Hand Tap Sutton 4120340 Supplied with feelers for internalFor producing precision threads by hand tapping, ideal for through holes. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 24 Overall length 80mm Cutting length 24mm Drill diameter 8. 5mm