Internal Tool Single A 5/16X.030/.031X1/4 Deep Groove Tool, Pro Grade Carbide Insert for CNC Work, Sharp Indexable Insert Built for Long Tool Life, Handy Spare for Milling and Turning

Internal Tool Single A 5/16X.030/.031X1/4 Deep Groove Tool
✔️ Single grooving tool, 031 x 1/4, Long Tool Life, CNC Ready

This Internal Tool A 5/16X.030/.031X1/4 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: 121-1030
✅ Product type: Grooving Tool
✅ Pack size: Single, 1 piece
✅ Size: 031 x 1/4

💡 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 5/16X.030/.031X1/4 Deep Groove Tool and keep your jobs moving.