OSG Screw Thread Insert STI Tap: Spiral Fute, M3x0.5 Metric, D2 / 4H-6H

An OSG spiral-flute STI tap is used to cut internal threads in steel and stainless steel for screw thread inserts. The spiral flute design evacuates chips upward, making it ideal for blind-hole applications. This M3x0.5 metric tap produces threads to D2 / 4H-6H tolerance, ensuring precise insert fit.

The OSG STI tap MPN 34300301 is a spiral-flute tap for steel and stainless steel. It has M3x0.5 metric thread, D2 / 4H-6H tolerance, and 3 flutes. The tap is made from high-speed steel and is designed for use with screw thread inserts. OSG is the OEM brand.

You can source OSG STI taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral-flute STI tap MPN 34300301.

To select the correct OSG STI tap, match the thread size (e.g., M3x0.5) and tolerance class (D2 / 4H-6H) to your insert requirements. For steel or stainless steel blind holes, choose a spiral-flute design. Always verify the tap is for STI (screw thread insert) use, not standard threading.