OSG Screw Thread Insert STI Tap: Straight Fute, M2x0.4 Metric, D2 / 2B-3B, 2 Flute
SKU 3G-OTH-262156
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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 is used to cut internal threads in a pre-drilled hole before installing a helical wire thread insert. It is essential for repairing or reinforcing threads in metal, plastic, or composite materials across industrial maintenance and production applications.
What are the specifications of the OSG STI Tap M2x0.4?
This OSG STI Tap has a metric M2x0.4 thread size, a D2 / 2B-3B tolerance class, 2 straight flutes, and is made from high-speed steel. The manufacturer part number is 12800100. It is designed for general-purpose thread insert installation in precision work.
Where to buy OSG STI Tap M2x0.4 worldwide?
3G Electric supplies the OSG STI Tap M2x0.4 (MPN 12800100) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time; we source genuine OSG tooling for global industrial buyers.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread insert's nominal size and pitch, such as M2x0.4. The tap must be marked 'STI' to cut the oversized hole required for the insert. Always verify the insert manufacturer's recommended drill size and tap tolerance class, like D2 / 2B-3B, for proper fit.
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3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















