OSG Extension Tap: #10-32 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
SKU 3G-OTH-310958
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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 deep or hard-to-reach holes. The #10-32 UNF size with plug chamfer and 3-flute design is ideal for through-hole or blind-hole threading in steel, aluminum, and other metals across machining, automotive, and general manufacturing applications.
What are the specifications of the OSG #10-32 UNF extension tap?
This OSG extension tap has a #10-32 UNF thread size, H3 / 2B-3B tolerance, plug chamfer, 3 flutes, and is made of high-speed steel. The manufacturer part number is 1297400. It is designed for deep-hole tapping where standard taps cannot reach.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine OSG taps like the #10-32 UNF model 1297400 to customers in machining, automotive, and other sectors. Contact us for availability and delivery to your location.
How to select the right OSG extension tap for deep-hole threading?
Select an OSG extension tap based on thread size (e.g., #10-32 UNF), material (high-speed steel for general use), flute count (3-flute for balanced chip evacuation), and chamfer type (plug for blind holes). Ensure the tap length reaches the required depth. Consult OSG's technical data for specific material recommendations.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
