OSG 3/4"-16 UNF General Purpose STI Tap, H4 / 2B-3B, Bottoming Chamfer, 4 Flutes
The OSG Screw Thread Insert STI Tap (SKU 3G-OTH-262102) is a general-purpose STI tap with a straight flute design, sized 3/4"-16 UNF. It features a bottoming chamfer, 4 flutes, and an H4 / 2B-3B tolerance class (MPN…
SKU 3G-OTH-262102
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Product Description
The OSG Screw Thread Insert STI Tap (SKU 3G-OTH-262102) is a general-purpose STI tap with a straight flute design, sized 3/4"-16 UNF. It features a bottoming chamfer, 4 flutes, and an H4 / 2B-3B tolerance class (MPN 12603800).
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG STI tap cuts internal threads in a pre-drilled hole to accept a helical wire thread insert. It is used in industrial maintenance and production to repair or reinforce stripped threads in metals and plastics, restoring fastener integrity without replacing the parent component.
What are the specifications of the OSG 12603800 STI Tap?
The OSG 12603800 is a straight flute STI tap with 3/4"-16 UNF thread, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for general-purpose thread insert installation. The H4 ground thread form ensures precise fit for 2B-3B class internal threads.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI taps like the 12603800 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this or any other OSG cutting tool — we source genuine industrial equipment across 14 departments.
How to select the correct STI tap size for a thread repair?
Select an STI tap that matches the original thread size and pitch — for example, 3/4"-16 UNF. Use a bottoming chamfer tap like this OSG for blind holes, and a plug chamfer for through holes. Always drill the recommended STI tap drill diameter before tapping.
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Common applications for OSGOSG Products
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.
