Tool Type: External threading holder (SER type)
Shank Size: 25 25 mm (strong and rigid setup)
Insert Size: Uses 27 size laydown inserts (27ER/IR)
Application: External thread cutting (male threads) on lathe
Hand Type: Available in Right-hand (SER) and Left-hand (SEL)
Clamping System: Screw clamp type for secure insert holding
Holder Length: Approx. 150 mm standard
Pitch Angle: ~1.5 helix angle for threading accuracy .








