OSG Extension Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute
SKU 3G-OTH-311707
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Frequently Asked Questions
What is an OSG extension tap used for?
An OSG extension tap is used for threading hard-to-reach holes in multiple materials. Its extended reach allows tapping deep or obstructed locations without sacrificing alignment, making it essential for maintenance, repair, and production in machining, automotive, and general industrial applications.
What are the specifications of the OSG 7/16"-20 UNF extension tap?
This OSG extension tap has a 7/16"-20 UNF thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a modified bottoming chamfer. The spiral-flute design aids chip evacuation in through-hole and blind-hole tapping. Part number 1652503108.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG tooling and deliver to your facility. Contact us for pricing and lead time on this 7/16"-20 UNF tap.
How to select the right OSG extension tap for a job?
Select an OSG extension tap based on thread size (e.g., 7/16"-20 UNF), material type, hole depth, and chamfer style. For blind holes, use a modified bottoming chamfer; for through holes, a plug chamfer works. Match flute design (spiral for chip evacuation) to your application.
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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.
