OSG #10-32 UNF Spiral-Flute Extension Tap
The OSG Extension Tap (#10-32 UNF, MPN 1297700) is a spiral-flute extension tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and a 3-flute design, suitable for…
SKU 3G-OTH-310979
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Product Description
The OSG Extension Tap (#10-32 UNF, MPN 1297700) is a spiral-flute extension tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and a 3-flute design, suitable for threading applications requiring precise internal threads.
Frequently Asked Questions
What is the OSG #10-32 UNF extension tap used for?
The OSG #10-32 UNF extension tap is used for threading blind holes in hard-to-reach areas of metal components. Its 3-flute spiral design and bottoming chamfer allow chip evacuation and full threading close to the hole bottom, common in automotive, aerospace, and general machining applications.
What are the specifications of the OSG extension tap MPN 1297700?
The OSG extension tap MPN 1297700 is a #10-32 UNF size with H3 / 2B-3B thread class, 3 flutes, bottoming chamfer, and made of high-speed steel. It is designed for threading blind holes in steel and non-ferrous materials, providing precise internal threads.
Where to buy the OSG #10-32 UNF extension tap worldwide?
You can source the OSG #10-32 UNF extension tap through 3G Electric, a global industrial equipment supplier. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading application.
How to select the correct OSG extension tap for a threading job?
To select the correct OSG extension tap, match the thread size (#10-32 UNF), chamfer type (bottoming for blind holes), and material (high-speed steel for general use). Ensure the H3 / 2B-3B tolerance fits your required thread class. For extended reach applications, the extension tap design provides access to recessed holes.
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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.