OSG Extension Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Extension Tap (7/16"-14 UNC, MPN 1298900) is a spiral-flute extension tap with a bottoming chamfer, H3 / 2B-3B tolerance, 3 flutes, and high-speed steel construction. 3G Electric sources this genuine…
SKU 3G-OTH-310954
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Product Description
The OSG Extension Tap (7/16"-14 UNC, MPN 1298900) is a spiral-flute extension tap with a bottoming chamfer, H3 / 2B-3B tolerance, 3 flutes, and high-speed steel construction. 3G Electric sources this genuine industrial threading tool as part of our broader capability across 14 departments, with specialist depth in combustion, pumps, and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG Extension Tap 7/16"-14 UNC used for?
This OSG extension tap is used for threading blind holes in hard-to-reach areas. Its 3-flute, bottoming chamfer design allows threading close to the bottom of a hole, making it ideal for automotive, aerospace, and general manufacturing applications where access is limited.
What are the specifications of the OSG Extension Tap 7/16"-14 UNC?
The OSG Extension Tap (MPN 1298900) has a 7/16"-14 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of high-speed steel (HSS) and is designed for threading blind holes in tough materials.
Where to buy the OSG Extension Tap 7/16"-14 UNC worldwide?
You can source the OSG Extension Tap 7/16"-14 UNC worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG extension tap for a job?
To select the correct OSG extension tap, match the thread size (e.g., 7/16"-14 UNC), chamfer type (bottoming for blind holes), and flute count (3 flutes for chip evacuation) to your material and hole depth. Ensure the tap's HSS grade suits the workpiece hardness.
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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.
