M20 x 2.5 Left Hand High Speed Steel Second Tap 2321610 - All sizes taper slightly

- All sizes taper slightly in width to improve access in slots

19mm/3/4”

This also increases the cutters ability to remove swarf away from the cut and helps to enhance centering

Surface Drive on box end provides Off-corner loading for better grip and reduced fastener rounding

- Medium flexibility and aggressive cutting action

M20 x 2.5 Left Hand High Speed Steel Second Tap 2321610 - All sizes taper slightlyFor producing precision Left Hand 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 112mm Cutting length 37mm Drill diameter 17. 5mm