Kyocera S25R PCLNR09 32 Internal Turning Toolholder – 25mm Shank Insize Feeler Gauge Tape 0.1mm Range Series 4621 10 ✔ Thread Size: 5 8" BSW M2 50 PCS ✔ Thread Size: 5 8" BSW (British Standard Whitworth)✔ Standard: ISO 529✔ Material: High Speed Steel (HSS) for enhanced strength and wear resistance✔ Thread Form: 55° flank angle for precise and secure Whitworth threading✔ Tolerance Class: Class 2 for a standard thread fit✔ Flute Type: Straight flute for effective chip removal✔ Lead Type: Intermediate lead for balanced cutting performance✔ Cutting Direction: Right hand cutting✔ Application: General purpose threading across various materials Consistent Thread Quality – Engineered for smooth performance in challenging conditions the toolholder is built to withstand demanding machining environments while maintaining superior vibration resistance The PCLNR configuration is designed for use with CNMG style ISO size 09 inserts