OSG Extension Tap: 1"-12 UNF, H6 / 2B-3B, 4 Flute
SKU 3G-OTH-311741
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Frequently Asked Questions
What is an OSG extension tap used for?
An OSG extension tap is used to cut internal threads in hard-to-reach or deep-hole applications. This 1"-12 UNF, 4-flute, modified bottoming chamfer tap is designed for multiple materials, providing precise thread forming in industrial machining, automotive, and aerospace maintenance operations.
What are the specifications of the OSG extension tap 1652505508?
This OSG extension tap has a thread size of 1"-12 UNF, with a tolerance class of H6 / 2B-3B. It features 4 flutes and a modified bottoming chamfer, making it suitable for through-hole and blind-hole threading in multiple materials. The manufacturer part number is 1652505508.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine OSG taps like the 1"-12 UNF model 1652505508 to customers in machining, automotive, and aerospace sectors.
How to select the right OSG extension tap for a job?
To select the right OSG extension tap, match the thread size (e.g., 1"-12 UNF), tolerance class (H6 / 2B-3B), and chamfer type (modified bottoming) to your material and hole depth. For deep or obstructed holes, choose an extension tap with sufficient reach. Consult OSG's technical data for material-specific speeds and feeds.
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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.
