OSG Screw Thread Insert STI Tap: Spiral Fute, 7/16"-20 UNF, H4 / 2B-3B
SKU 3G-OTH-244338
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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 steel and stainless steel for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in materials that may not hold direct threads.
What are the specifications of the OSG Screw Thread Insert STI Tap?
This OSG STI tap has a thread size of 7/16"-20 UNF, a thread tolerance of H4 / 2B-3B, and a 3-flute spiral-flute design for chip evacuation. The manufacturer part number is 30202301. It is designed for tapping holes in steel and stainless steel before inserting a thread insert.
Where to buy the OSG Screw Thread Insert STI Tap worldwide?
You can source the OSG Screw Thread Insert STI Tap 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 on this item.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap that matches the thread size and pitch of the insert, such as 7/16"-20 UNF. Ensure the tap tolerance (e.g., H4 / 2B-3B) aligns with the required class of fit. Use a spiral-flute design for steel and stainless steel to improve chip removal and thread quality.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
