10BA HSS Second Hand Tap Sutton SI4120A 7/16 UNC Imperial 75 Piece

7/16 UNC Imperial 75 Piece Zinc Plated hex Bolt & Set Screw selection pack

BT40 16mm diameter Spigot

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

Grinding Wheel for Carbide Drills Fits GS-1/GS-11

10BA HSS Second Hand Tap Sutton SI4120A 7/16 UNC Imperial 75 PieceFor 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