OSG Screw Thread Insert STI Tap: Spiral Fute, 5/8"-11 UNC, H4 / 2B-3B
SKU 3G-OTH-281199
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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 automotive, aerospace, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG 31502908 STI Tap?
The OSG 31502908 STI Tap has a 5/8"-11 UNC thread size, H4 / 2B-3B tolerance, and 4 flutes with a spiral flute design. It is a spiral-flute STI tap for multiple materials, manufactured by OSG.
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.
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 5/8"-11 UNC insert, use the OSG 31502908 with H4 / 2B-3B tolerance. Ensure the tap matches the material and flute style for optimal thread quality.
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.















