OSG Screw Thread Insert STI Tap: Spiral Fute, M14x2 Metric, D5 / 4H-6H
SKU 3G-OTH-244257
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Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in steel and stainless steel for installing helical wire thread inserts. It is commonly used in aerospace, automotive, and heavy equipment repair where stripped threads must be restored to original strength without replacing the parent component.
What are the specifications of the OSG STI Tap 34301001?
The OSG STI Tap 34301001 has a spiral flute design, M14x2 metric thread, D5 / 4H-6H tolerance class, and 4 flutes. It is designed for tapping holes that will accept screw thread inserts in steel and stainless steel. The manufacturer part number is 34301001.
Where to buy OSG STI Tap 34301001 worldwide?
3G Electric supplies the OSG STI Tap 34301001 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this spiral-flute tap for steel and stainless steel applications.
How to select the correct STI tap size for M14x2 inserts?
To select the correct STI tap for M14x2 inserts, use a tap marked with the same thread size and pitch as the insert. The OSG 34301001 is pre-sized for M14x2 helical inserts. Always verify the insert manufacturer's recommended drill diameter and tap tolerance class, such as D5 / 4H-6H, for proper fit.
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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.















