OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-28 UNF, H3 / 2B-3B
SKU 3G-OTH-281074
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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 multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer base materials.
What are the specifications of the OSG STI Tap MPN 1716601?
The OSG STI Tap MPN 1716601 has a thread size of 1/4"-28 UNF, a thread limit of H3 / 2B-3B, and a 3-flute spiral-flute design. It is designed for tapping holes that will accept screw thread inserts in multiple materials.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG Screw Thread Insert STI Tap MPN 1716601.
How to select the correct OSG STI Tap for an application?
To select the correct OSG STI Tap, match the thread size and pitch (e.g., 1/4"-28 UNF) to your insert requirements. Verify the thread limit class (H3 / 2B-3B) for fit tolerance. Choose spiral-flute taps for blind holes and consider the base material hardness for optimal tool life.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















