OSG Extension Tap: 7/8"-14 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Extension Tap (7/8"-14 UNF, MPN 1653505508) is a spiral-point extension tap for multiple materials, featuring a H6 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes. 3G…
SKU 3G-OTH-402475
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Product Description
The OSG Extension Tap (7/8"-14 UNF, MPN 1653505508) is a spiral-point extension tap for multiple materials, featuring a H6 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes. 3G Electric interprets this demand and sources the genuine OEM product, backed by specialist expertise in cutting tools across 14 industrial departments.
Frequently Asked Questions
What is the OSG Extension Tap 7/8"-14 UNF used for?
This OSG extension tap is designed for threading blind or through holes in multiple materials, including steel, stainless steel, and aluminum. Its 3-flute spiral-point design pushes chips forward, making it ideal for production tapping where chip evacuation is critical. The V-coated powdered metal construction provides wear resistance for extended tool life.
What are the specifications of the OSG Extension Tap 7/8"-14 UNF?
The OSG Extension Tap (MPN 1653505508) has a 7/8"-14 UNF thread size with H6 / 2B-3B tolerance. It features 3 flutes, a plug chamfer, and a V-coated powdered metal substrate. This spiral-point extension tap is designed for threading multiple materials and is manufactured by OSG.
Where to buy the OSG Extension Tap 7/8"-14 UNF worldwide?
3G Electric supplies the OSG Extension Tap 7/8"-14 UNF worldwide. 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 on this OSG tap.
How to select the correct OSG extension tap for threading?
Select an OSG extension tap based on thread size, pitch, and tolerance class (e.g., H6 / 2B-3B). Match the chamfer type (plug, bottoming, or taper) to your hole type—plug chamfer suits through holes. Consider material: V-coated powdered metal taps work well on steel and stainless. Always verify the tap's flute count and coating for your application.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















