OSG Screw Thread Insert STI Tap: Spiral Fute, M3x0.5 Metric, D2 / 4H-6H
SKU 3G-OTH-244242
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Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
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.
What are the specifications of the OSG STI tap MPN 34300301?
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.
Where to buy OSG STI taps worldwide?
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.
How to select the correct OSG STI tap for a job?
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.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















