OSG 1"-8 UNC Spiral-Flute STI Tap, H4 / 2B-3B, Bottoming Chamfer, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 10802400) is a spiral-flute tap for 1"-8 UNC threads, featuring a bottoming chamfer and 4 flutes. It is ground to H4 / 2B-3B tolerance class, ensuring precise thread fit for…
SKU 3G-OTH-273406
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 10802400) is a spiral-flute tap for 1"-8 UNC threads, featuring a bottoming chamfer and 4 flutes. It is ground to H4 / 2B-3B tolerance class, ensuring precise thread fit for STI inserts. 3G Electric sources this genuine OSG tool as part of our broad industrial supply across 14 departments, with specialist expertise in cutting tools and precision threading.
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 a workpiece before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and heavy equipment manufacturing where thread repair or reinforcement is needed in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap 10802400?
The OSG STI Tap 10802400 is a spiral-flute tap with a 1"-8 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for thread insert installation and is made by OSG, a leading cutting tool manufacturer. The part number is 10802400.
Where to buy OSG STI Taps 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 10802400 or other STI tap sizes.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread insert size and class of fit. For a 1"-8 UNC insert, use a tap with H4 / 2B-3B tolerance and a bottoming chamfer for blind holes. Ensure the tap matches the insert manufacturer's recommended drill size and pitch. OSG taps are precision-ground for consistent thread quality.
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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.
