OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H3 / 2B-3B
SKU 3G-OTH-281138
Need installation or engineering help?
Ask a question
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 strong, wear-resistant threads are required in softer base materials.
What are the specifications of the OSG STI Tap 31503608?
The OSG STI Tap has a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, and 4 flutes with a spiral-flute design. It is designed for tapping holes that will accept screw thread inserts, ensuring precise thread fit for insert installation.
Where to buy OSG STI Tap 31503608 worldwide?
You can source the OSG STI Tap 31503608 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 threading application.
How to select the correct OSG STI tap for thread inserts?
Select an OSG STI tap based on the insert's thread size and tolerance class. For a 7/8"-9 UNC insert requiring a 2B-3B fit, use the spiral-flute STI tap (MPN 31503608). Ensure the tap matches the insert manufacturer's recommended drill size and thread depth for optimal performance.
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.
