OSG Screw Thread Insert STI Tap: Straight Fute, #3-48 UNC, H2 / 2B-3B, 3 Flute
SKU 3G-OTH-261982
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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 a pre-drilled hole to accept a helical coil thread insert. It is used in industrial maintenance and production to repair or reinforce stripped threads in metal components, ensuring a durable, reusable threaded connection.
What are the specifications of the OSG STI Tap #3-48 UNC?
This OSG STI Tap is a #3-48 UNC, H2 / 2B-3B tolerance, straight flute, bottoming chamfer tap with 3 flutes. It is designed for general-purpose thread insert installation. The manufacturer part number is 6003300. It produces threads that accept a standard #3-48 screw thread insert.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps, including the #3-48 UNC model, to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this or any other industrial cutting tool you need sourced and delivered globally.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread size and pitch of the insert you are installing. For a #3-48 UNC insert, use a #3-48 UNC STI tap. The tap's tolerance (e.g., H2 / 2B-3B) must align with the insert manufacturer's recommendation to ensure proper fit and thread strength.
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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.















