HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M24x3 Metric, H4 / 4H, 4 Flute

A HELI-COIL STI tap is used to cut internal threads for installing HELI-COIL screw thread inserts. It creates precise M24x3 metric threads in materials like aluminum or cast iron, restoring or reinforcing stripped threads in industrial equipment across machining, automotive, and heavy machinery applications.

This HELI-COIL STI tap has M24x3 metric threads, a 4-flute straight flute design, plug chamfer, and H4 / 4H tolerance class. The manufacturer part number is 4687-24. It is a general-purpose tap for creating threads that accept HELI-COIL screw thread inserts.

3G Electric supplies the HELI-COIL STI Tap M24x3 (MPN 4687-24) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision threading tool.

Select an STI tap that matches the insert's thread size and pitch, such as M24x3. Ensure the tap has the correct tolerance class (e.g., H4 / 4H) and chamfer type (plug for general use). Always use proper cutting fluid and follow tap manufacturer speed/feed recommendations for the workpiece material.