Carmex Internal Right Hand Thread Turning Toolholder – 40 mm Shank / 27 mm Insert / SIR 0040 T27 Somta 51mm HSS Morse Taper Shank Drill MT5 DIN 345 4-Flute Geometry – Ensures balanced

4-Flute Geometry – Ensures balanced cutting and optimized chip evacuation during deep-hole enlargement

Direct diameter reading after inputting the setting ring size

DIN 338 MR: Predictable fitment and interchangeability

Manual or Machine Operation – Suitable for hand tapping or use in CNC and tapping machines

30-Piece Heat Shrink Kit

Carmex Internal Right Hand Thread Turning Toolholder – 40 mm Shank / 27 mm Insert / SIR 0040 T27 Somta 51mm HSS Morse Taper Shank Drill MT5 DIN 345 4-Flute Geometry – Ensures balancedCarmex SIR 0040 T27 Internal Right Hand Thread Turning Toolholder (40 mm Shank, 27 mm Insert) The Carmex SIR 0040 T27 is a heavy duty internal thread turning toolholder engineered for precision threading with 27 mm inserts. Featuring a rigid 40 mm shank and 1. 5 helix angle, it provides exceptional strength, stability, and accuracy for large diameter internal threading applications. The robust construction and precision ground surfaces ensure