Indexable 3/8 Inch Shank Metal Lathe End Mill Tool Holder EXN02R With 10 Pcs LNMU020209ZNER High Speed Carbide Milling Inserts For Boring And Grooving ZM Grooving Type PVD Coated Double Sided Inserts With Four Corners For Rough Machining And Efficiency

3/8 in Shank Lathe End Mill Holder with 10 Inserts
✔️ EXN02R 3/8in shank boring bar + 10 LNMU020209ZNER inserts

This compact indexable tool holder set with a 3/8 inch shank is designed for boring and grooving on metal lathes. It pairs a rigid EXN02R boring bar with high-speed carbide inserts to boost rough machining efficiency and surface finish. Typical applications include shoulder milling, face milling, and slotting in steel and alloy workpieces.

✅ 10 LNMU020209ZNER high-speed carbide milling inserts (ZM grooving type) with four corners
✅ PVD coating, double-sided inserts for extended life and flexibility
✅ Insert hardness HRC 25-50 and suitable for rough machining
✅ EXN02R boring bar: 42CrMo, hardened and tempered for anti-vibration; M1.8 screw + T6 wrench
✅ 3/8 in shank, includes boring bar for compact tooling setup
✅ Improves surface finish through high vibration-absorbing performance

💡 What is a boring bar and high-feed carbide inserts used for in metalworking?

Handy explanation for shop floor use include:

- rough milling and heavy stock removal for fast processing
- PVD coated carbide inserts provide wear resistance and edge life
- rigid boring bar reduces vibration for better accuracy on shoulder, face, and slotting
- compatible with 3/8 in shank tools to fit common lathes and milling setups