OSG Screw Thread Insert STI Tap: Spiral Fute, 7/16"-14 UNC, H4 / 2B-3B
SKU 3G-OTH-281146
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-flute STI tap is designed for cutting internal threads in multiple materials before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where thread repair or reinforcement is required.
What are the specifications of the OSG 31501701 STI Tap?
The OSG 31501701 is a spiral-flute STI tap with a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, and 3 flutes. It is designed for multiple materials and is manufactured by OSG. 3G Electric supplies this tap globally.
Where to buy OSG STI Tap 31501701 worldwide?
You can source the OSG 31501701 STI tap 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 thread insert application.
How to select the correct OSG STI tap for thread inserts?
Select an STI tap based on the thread size and pitch of the insert, such as 7/16"-14 UNC. The tap tolerance (e.g., H4 / 2B-3B) must match the required thread class. OSG spiral-flute taps are suitable for multiple materials and help evacuate chips during threading.
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.















