OSG Screw Thread Insert STI Tap: Spiral Fute, #6-40 UNF, H2 / 2B-3B
SKU 3G-OTH-244365
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Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing helical thread inserts. Its spiral flute design efficiently evacuates chips, making it ideal for blind-hole applications in industrial manufacturing and maintenance.
What are the specifications of the OSG STI Tap #6-40 UNF?
This OSG STI Tap has a #6-40 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes. It is designed for steel and stainless steel, with a spiral flute geometry for chip evacuation. The manufacturer part number is 30200301.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread size (e.g., #6-40 UNF), material (steel or stainless steel), and tolerance class (H2 / 2B-3B). For blind holes, choose a spiral-flute design. Always match the tap to the insert manufacturer's recommendations for optimal thread quality.
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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.















