Internal Tool Single A 3/8X.030/.031X3/8 Deep Groove Tool, Handy Spare for Milling and Turning, Go-To Pick for Machinists and CNC Shops, Pro Grade Carbide Insert for CNC Work

Internal Tool Single A 3/8X.030/.031X3/8 Deep Groove Tool
✔️ Single grooving tool, 031 x 3/8, Long Tool Life, CNC Ready

This Internal Tool A 3/8X.030/.031X3/8 Deep Groove Tool is an indexable carbide insert for milling, turning and grooving. Machinists and CNC shops use it in cutter bodies for roughing, finishing and grooving. This is a single piece listing.

✅ Brand: Internal Tool
✅ Mfr part number: 121-1100
✅ Product type: Grooving Tool
✅ Pack size: Single, 1 piece
✅ Size: 031 x 3/8

💡 When should I index or replace an insert?

Worn edges hurt finish and tool life.

• Index when you see heavy wear or chipping.
• Swap the insert if all edges are worn.
• Replace the screw and clean the pocket at each change.

Pick up the Internal Tool A 3/8X.030/.031X3/8 Deep Groove Tool and keep your jobs moving.