OSG Extension Tap: 5/8"-11 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Extension Tap (5/8"-11 UNC, MPN 1295600) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, designed for threading…
SKU 3G-OTH-313541
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Extension Tap (5/8"-11 UNC, MPN 1295600) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, designed for threading applications requiring extended reach.
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. The extended shank allows threading in recessed areas, blind holes, or where standard taps cannot reach. It is commonly used in machining, automotive, and general manufacturing for UNC threads.
What are the specifications of the OSG 5/8"-11 UNC extension tap?
This OSG extension tap has a 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is designed for spiral-point cutting. The manufacturer part number is 1295600.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this OSG 5/8"-11 UNC tap (MPN 1295600).
How to select the right OSG extension tap for deep-hole threading?
Select an OSG extension tap based on thread size, chamfer type, and material. For deep holes, choose a plug chamfer and high-speed steel for durability. Ensure the tap length exceeds the hole depth. This 5/8"-11 UNC tap with H3 tolerance suits general-purpose threading in steel and cast iron.
Used in
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.
