OSG Extension Tap: 1/2"-13 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer
The OSG Extension Tap (MPN 1292001) is a 1/2"-13 UNC pulley tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and black oxide high-speed steel construction. This tool is designed for threading…
SKU 3G-OTH-308156
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Product Description
The OSG Extension Tap (MPN 1292001) is a 1/2"-13 UNC pulley tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and black oxide high-speed steel construction. This tool is designed for threading applications requiring extended reach.
Frequently Asked Questions
What is the OSG Extension Tap 1/2"-13 UNC used for?
The OSG Extension Tap is used for threading blind holes or hard-to-reach areas in metalworking. Its extended length allows access where standard taps cannot reach. Common applications include automotive, aerospace, and general manufacturing where precise internal threads are required.
What are the specifications of the OSG Extension Tap MPN 1292001?
This OSG tap has a 1/2"-13 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, plug chamfer, and is made of black oxide high-speed steel. It is designed for threading steel and other ferrous materials. The extended shank provides reach for deep or obstructed holes.
Where to buy the OSG Extension Tap 1/2"-13 UNC worldwide?
3G Electric supplies the OSG Extension Tap MPN 1292001 worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this tap to any country.
How to select the correct OSG Extension Tap for threading?
Select based on thread size (1/2"-13 UNC), material (black oxide HSS for steel), and reach needed. The H3 / 2B-3B tolerance ensures fit for class 2B or 3B threads. For blind holes, use plug chamfer. Always match tap to material hardness and hole depth. OSG taps are precision-ground for consistent performance.
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3G Electric supplies OSG pulley taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
