OSG Screw Thread Insert STI Tap: Straight Fute, #4-48 UNF, H2 / 2B-3B, 3 Flute
SKU 3G-OTH-261995
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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 screw thread insert (Heli-Coil type). It is used in aerospace, automotive, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG #4-48 UNF STI Tap?
This OSG STI tap is #4-48 UNF with a H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for general-purpose thread insert installation. The manufacturer part number is 12600100.
Where to buy OSG STI taps for worldwide delivery?
3G Electric supplies OSG STI taps like the #4-48 UNF model (MPN 12600100) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you get the correct tool for your thread repair application.
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 #4-48 UNF insert, use a #4-48 UNF STI tap like this OSG model. Always verify the tap's tolerance (H2 / 2B-3B) matches your required thread class.
Used in
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.
