OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H2 / 2B-3B
SKU 3G-OTH-244409
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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 ferrous materials.
What are the specifications of the OSG 30201701 STI Tap?
The OSG 30201701 is a spiral-flute STI tap with a 3/8"-24 UNF thread size, H2 / 2B-3B tolerance, and 3 flutes. It is designed for threading steel and stainless steel to accept screw thread inserts. The spiral flute design helps evacuate chips upward during tapping.
Where to buy OSG STI Taps in worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 30201701 or other OSG threading tools.
How to select the correct OSG STI Tap for steel?
To select the correct OSG STI tap for steel, match the thread size (e.g., 3/8"-24 UNF) and tolerance class (H2 / 2B-3B) to your insert requirements. Use a spiral-flute design for through holes in steel and stainless steel. OSG taps are precision-ground for consistent thread quality.
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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.















