OSG Screw Thread Insert STI Tap: Spiral Fute, 5/8"-18 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 10801400) is a spiral-flute tap designed for 5/8"-18 UNF threads, featuring an H3 / 2B-3B tolerance class, 4 flutes, and a bottoming chamfer. 3G Electric interprets this…
SKU 3G-OTH-273404
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 10801400) is a spiral-flute tap designed for 5/8"-18 UNF threads, featuring an H3 / 2B-3B tolerance class, 4 flutes, and a bottoming chamfer. 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — and we supply far more than is listed.
Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads for screw thread inserts in metal parts. It is designed for bottoming chamfer applications, producing threads that accept helical coil inserts. Common in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG 10801400 STI tap?
The OSG 10801400 is a spiral-flute STI tap with a 5/8"-18 UNF thread, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for threading holes that will accept screw thread inserts. The H3 / 2B-3B designation ensures precise fit for insert installation.
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 10801400 spiral-flute STI tap.
How to select the correct OSG STI tap for thread inserts?
Select an OSG STI tap based on the insert's thread size and pitch, such as 5/8"-18 UNF. Ensure the tap has the correct tolerance (H3 / 2B-3B) and chamfer type—bottoming for blind holes. OSG taps are precision-ground for consistent thread quality. Always match the tap to the insert manufacturer's specifications.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
