M30x3.5 HSS Second Hand Tap Sutton 2643250 knurling on the outside of

knurling on the outside of female square drive makes it easier to hold and enables the extension bar to be used like a quick spinner

A popular tool incorporating 4"/100mm rule

It should not be used on magnesium alloys

Metric Fine Zinc Plated Nyloc Nut Class 10 M18-1

a centre finder to locate shaft Centres

M30x3.5 HSS Second Hand Tap Sutton 2643250 knurling on the outside ofFor 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 Overall length 138mm Cutting length 48mm Drill diameter 26. 5mm