OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-28 UNF, H2 / 2B-3B
SKU 3G-OTH-281111
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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 multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where reliable thread repair or reinforcement is needed.
What are the specifications of the OSG STI Tap 1716508?
The OSG STI Tap (MPN 1716508) has a 1/4"-28 UNF thread size, H2 / 2B-3B tolerance, and a spiral-flute design with 3 flutes. It is designed for multiple materials and produces threads that accept standard screw thread inserts.
Where to buy OSG STI Tap 1716508 worldwide?
You can source the OSG STI Tap 1716508 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your application.
How to select the correct OSG STI tap for thread inserts?
Select an OSG STI tap based on the thread size and tolerance required for your insert. For a 1/4"-28 UNF insert, use the 1716508 tap with H2 / 2B-3B tolerance. Always match the tap to the insert manufacturer's specifications for proper thread fit.
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.















