OSG Screw Thread Insert STI Tap: Spiral Fute, 1/2"-20 UNF, H4 / 2B-3B
SKU 3G-OTH-281194
Need installation or engineering help?
Ask a question
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 helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threaded holes in aluminum, steel, and cast iron.
What are the specifications of the OSG STI Tap 31502308?
The OSG STI Tap model 31502308 has a thread size of 1/2"-20 UNF, a spiral flute design with 3 flutes, and a thread tolerance of H4 / 2B-3B. It is designed for multiple materials and is manufactured by OSG.
Where to buy OSG STI Tap 31502308 worldwide?
You can source the OSG STI Tap 31502308 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct OSG STI Tap for thread repair?
To select the correct OSG STI Tap, match the thread size and pitch (e.g., 1/2"-20 UNF) to the insert you plan to install. Ensure the tap tolerance (H4 / 2B-3B) aligns with your required thread class. Use a spiral-flute design for through-hole applications to improve chip evacuation.
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.
