OSG Screw Thread Insert STI Tap: Spiral Fute, 1"-12 UNF, H4 / 2B-3B
SKU 3G-OTH-244330
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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 helical wire thread inserts. It is commonly applied in aerospace, automotive, and heavy equipment manufacturing where thread repair or reinforcement is required.
What are the specifications of the OSG STI Tap 30206608?
The OSG STI Tap 30206608 has a thread size of 1"-12 UNF, a thread tolerance of H4 / 2B-3B, and a spiral-flute design with 4 flutes. It is designed for tapping holes in steel and stainless steel prior to inserting screw thread inserts.
Where to buy the OSG STI Tap 30206608 worldwide?
You can source the OSG STI Tap 30206608 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 a thread insert?
Select an OSG STI tap that matches the thread size and pitch of the insert, such as 1"-12 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 evacuation.
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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.















