Somta Series 117 – 15/64" HSS Long Series Straight Shank Drill Carmex Internal Right Hand Whitworth Thread Turning Insert 9 TPI / 16 IR 9 W BMA 6 mm) ensure reliable chip Somta Series 107 – 1/16 - 1/2" X 1/64 Jobber Drill Set The optional setting ring 1103-200

6 mm) ensure reliable chip control and clean thread profiles

Key Advantage: Accurate full-profile threading with excellent tool life in fine-pitch threads

Flows: The V75-DFK Plumbdinger is without overflows

Size : 5/16"-18UNC

the 18 x 25mm Annular Cutter - HSS is your go-to solution

Somta Series 117 – 15 64" HSS Long Series Straight Shank Drill Carmex Internal Right Hand Whitworth Thread Turning Insert 9 TPI 16 IR 9 W BMA 6 mm) ensure reliable chip Somta Series 107 – 1 16 1 2" X 1 64 Jobber Drill Set The optional setting ring 1103 200 6 mm) ensure reliable chip control and clean thread profiles Key Advantage: Accurate full profile threading with excellent tool life in fine pitch threads