10BA HSS Second Hand Tap Sutton SI4120A quickly restores or creates internal

quickly restores or creates internal / external threads

Differentiated heat treatment: edge 54 - 58 HRc - impact head 38 - 46 HRc to prevent head effect

Used to ream holes to suit standard Imperial taper pins Flute length 127

BT40 16mm diameter Spigot

Overall length 64mm

10BA HSS Second Hand Tap Sutton SI4120A quickly restores or creates 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 Pitch 0. 35mm Overall length 41mm Cutting length 8mm Drill diameter 1. 4mm