OSG Extension Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer
The OSG Extension Tap (MPN 1292801) is a 5/8"-11 UNC pulley tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric sources this genuine industrial…
SKU 3G-OTH-308200
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Product Description
The OSG Extension Tap (MPN 1292801) is a 5/8"-11 UNC pulley tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric sources this genuine industrial threading tool across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
Frequently Asked Questions
What is an OSG extension tap used for?
An OSG extension tap is used to cut internal threads in hard-to-reach or deep-hole applications, such as pulley assemblies and engine blocks. The extended shank allows threading where standard taps cannot reach. This 5/8"-11 UNC tap with plug chamfer and 4 flutes is designed for through or blind holes in ferrous materials.
What are the specifications of the OSG extension tap 1292801?
The OSG extension tap MPN 1292801 is a 5/8"-11 UNC thread tap with H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is made from black oxide high-speed steel for wear resistance and reduced friction. This pulley tap is designed for threading in deep or obstructed locations.
Where to buy OSG extension taps worldwide?
You can source OSG extension taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1292801 or other pulley taps. We supply genuine OSG tooling globally.
How to select the correct OSG extension tap for a job?
Select an OSG extension tap based on thread size, pitch, and material. For 5/8"-11 UNC threads in steel, use a plug chamfer tap with H3 tolerance for 2B-3B fit. Ensure the tap's flute count matches chip evacuation needs. Always match the tap to the hole depth and machine type for optimal thread quality.
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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.
