OSG Extension Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Extension Tap (1/2"-20 UNF) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B (MPN 2106000).
SKU 3G-OTH-313567
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Product Description
The OSG Extension Tap (1/2"-20 UNF) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B (MPN 2106000).
Frequently Asked Questions
What is the OSG Extension Tap 1/2"-20 UNF used for?
The OSG Extension Tap is used for threading blind or deep holes in metal parts where standard taps cannot reach. It is common in automotive, aerospace, and general machining applications requiring precise UNF threads. The H3 tolerance and plug chamfer allow for controlled thread depth and fit.
What are the specifications of the OSG Extension Tap 1/2"-20 UNF?
This OSG tap has a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, plug chamfer, and is made from high-speed steel. The manufacturer part number is 2106000. It is designed for threading operations requiring extended reach and precise thread class control.
Where to buy the OSG Extension Tap 1/2"-20 UNF worldwide?
3G Electric supplies the OSG Extension Tap 1/2"-20 UNF worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine OSG tooling for international buyers.
How to select the correct OSG Extension Tap for UNF threads?
Select the tap based on thread size (1/2"-20 UNF), required tolerance (H3 for 2B-3B fit), flute count (3 for chip evacuation), and chamfer type (plug for blind holes). Ensure the tap length matches your hole depth. OSG high-speed steel taps suit general-purpose threading in steel and aluminum.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
