OSG Screw Thread Insert STI Tap: Spiral Fute, 1"-8 UNC, H4 / 2B-3B
SKU 3G-OTH-244233
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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 steel and stainless steel for installing helical wire thread inserts. It is essential in aerospace, automotive, and industrial maintenance where thread repair or reinforcement is required.
What are the specifications of the OSG STI Tap 30206201?
The OSG STI Tap 30206201 has a 1"-8 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a spiral-flute design for chip evacuation. It is designed for steel and stainless steel applications, ensuring precise thread forming for screw thread inserts.
Where to buy OSG STI Tap 30206201 worldwide?
You can source the OSG STI Tap 30206201 worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location, ensuring you receive genuine OSG cutting tools for your industrial threading needs.
How to select the correct STI tap for thread inserts?
Select an STI tap matching the insert size and thread class, such as the OSG 1"-8 UNC H4 / 2B-3B tap. Ensure the tap material suits your workpiece—spiral-flute designs work best for steel and stainless steel to clear chips and reduce breakage.
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.















