OSG 1/4"-20 UNC Spiral-Point Extension Tap
The OSG Extension Tap (1/4"-20 UNC, MPN 1294900) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 2 flutes, designed for threading…
SKU 3G-OTH-313617
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The OSG Extension Tap (1/4"-20 UNC, MPN 1294900) is a spiral-point extension tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 2 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 thread deep or hard-to-reach holes in metal parts. The extended shank allows access where standard taps cannot reach, making it essential for machining, automotive, and aerospace applications. 3G Electric supplies this OSG 1/4"-20 UNC spiral-point tap for precision internal threading.
What are the specifications of the OSG extension tap 1294900?
The OSG extension tap 1294900 has a 1/4"-20 UNC thread size, H3 / 2B-3B tolerance, 2 flutes, plug chamfer, and is made of high-speed steel. It is a spiral-point extension tap designed for through-hole threading. 3G Electric sources this genuine OSG tool for industrial maintenance and production.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine OSG tooling like the 1294900 1/4"-20 UNC tap. Contact us for availability and lead time to your location.
How to select the right OSG extension tap for a job?
Select an OSG extension tap based on thread size, material, and hole depth. For through holes, a spiral-point tap like this 1/4"-20 UNC plug chamfer pushes chips ahead. Match the H3 / 2B-3B tolerance to your thread class requirement. 3G Electric can help interpret your application and source the correct OSG tap.
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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.
