M20 x 2.5 Left Hand High Speed Steel Second Tap 2321610 Surface Drive on box end

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

- Medium flexibility and aggressive cutting action

CIMTECH® C205 Synthetic

Thread Insert - M6 x 1

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

M20 x 2.5 Left Hand High Speed Steel Second Tap 2321610 Surface Drive on box endFor 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