OSG Extension Tap: 7/8"-9 UNC, H6 / 2B-3B, 4 Flute
SKU 3G-OTH-311754
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Frequently Asked Questions
What is the OSG Extension Tap 7/8"-9 UNC used for?
The OSG Extension Tap is used for threading blind or deep holes in multiple materials, including steel, stainless steel, and aluminum. Its spiral-flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom, making it ideal for automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG Extension Tap 7/8"-9 UNC?
The OSG Extension Tap has a thread size of 7/8"-9 UNC with a tolerance of H6 for the tap and 2B-3B for the threaded hole. It features 4 flutes, a modified bottoming chamfer, and a spiral-flute design for chip evacuation. The manufacturer part number is 1652504908, and it is designed for multiple materials.
Where to buy the OSG Extension Tap 7/8"-9 UNC worldwide?
You can source the OSG Extension Tap 7/8"-9 UNC 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; we provide reliable sourcing for this OSG tap and other industrial tooling needs.
How to select the correct OSG extension tap for threading?
To select the correct OSG extension tap, match the thread size (e.g., 7/8"-9 UNC), tolerance class (H6 for tap, 2B-3B for hole), and chamfer type to your application. For deep or blind holes, choose a spiral-flute design with a modified bottoming chamfer. Verify material compatibility and ensure the tap length reaches the required depth. Consult OSG's technical data for guidance.
Used in
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.
