HELI-COIL Screw Thread Insert STI Tap: Straight Fute, M12x1.75 Metric, H3 / 4H

The HELI-COIL Screw Thread Insert STI Tap is used to cut internal threads for installing HELI-COIL screw thread inserts. It is designed for general-purpose thread repair and reinforcement in metal components, commonly used in automotive, aerospace, and industrial maintenance applications.

The HELI-COIL STI Tap 4687-12 is a straight flute tap with a 4-flute design. It cuts M12x1.75 Metric threads and is rated H3 / 4H tolerance. This general-purpose tap is manufactured by HELI-COIL and is suitable for installing screw thread inserts in various materials.

You can source the HELI-COIL STI Tap 4687-12 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other HELI-COIL tooling.

Select an STI tap that matches the insert thread size and pitch, such as M12x1.75 for this HELI-COIL tap. Ensure the tap tolerance (H3 / 4H) aligns with the required thread class. Use a straight flute design for general-purpose through-hole threading. Always follow the insert manufacturer's recommendations.