OSG Extension Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute
SKU 3G-OTH-311705
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Frequently Asked Questions
What is the OSG Extension Tap 3/8"-24 UNF used for?
This OSG extension tap is designed for threading blind or deep holes in multiple materials. Its spiral-flute design evacuates chips upward, making it ideal for production tapping in steel, stainless steel, and aluminum. The modified bottoming chamfer allows threading close to the bottom of a hole.
What are the specifications of the OSG Extension Tap 3/8"-24 UNF?
The OSG Extension Tap has a 3/8"-24 UNF thread size, H4 / 2B-3B tolerance, and a 3-flute design with a modified bottoming chamfer. The manufacturer part number is 1652502708. It is a spiral-flute extension tap for multiple materials, suitable for blind-hole threading.
Where to buy the OSG Extension Tap 3/8"-24 UNF worldwide?
You can source the OSG Extension Tap 3/8"-24 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG part.
How to select the correct OSG extension tap for a threading application?
Select an OSG extension tap based on thread size, pitch, and tolerance class. For blind holes, choose a spiral-flute tap with a bottoming chamfer. Ensure the tap's H limit matches the required thread class (e.g., H4 for 2B-3B). Match the tap material to the workpiece for optimal tool life.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
