OSG Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H4 / 2B-3B
SKU 3G-OTH-244193
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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 industrial maintenance where thread repair or reinforcement is required.
What are the specifications of the OSG STI Tap #8-32 UNC?
This OSG STI tap has a #8-32 UNC thread size, H4 / 2B-3B tolerance, and a 3-flute spiral flute design. It is designed for steel and stainless steel. The manufacturer part number is 30200401. OSG is the OEM brand for this precision threading tool.
Where to buy OSG STI Tap #8-32 UNC worldwide?
You can source the OSG STI Tap #8-32 UNC worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment distributor. Contact us for availability and lead time.
How to select the correct OSG STI tap for thread inserts?
Select an OSG STI tap based on the insert's thread size and material. For steel and stainless steel, use a spiral flute tap like this #8-32 UNC model. Ensure the tap tolerance (H4 / 2B-3B) matches the required thread class. Always follow the insert manufacturer's recommendations.
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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.















