OSG Extension Tap: 5/16"-18 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer
The OSG Extension Tap (MPN 2103000) is a 5/16"-18 UNC spiral-point extension tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and a 2-flute design, specified for…
SKU 3G-OTH-313620
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Extension Tap (MPN 2103000) is a 5/16"-18 UNC spiral-point extension tap with a plug chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and a 2-flute design, specified 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 blind holes or hard-to-reach internal threads in metal parts. The extended shank allows access to recessed areas where standard taps cannot reach, making it essential for machining, automotive, and aerospace applications.
What are the specifications of the OSG 5/16"-18 UNC extension tap?
This OSG extension tap has a 5/16"-18 UNC thread, H3 / 2B-3B tolerance, 2 flutes, plug chamfer, and is made of high-speed steel. The MPN is 2103000. It is designed for threading steel and other ferrous materials in confined spaces.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine OSG cutting tools like the 2103000 extension tap for demanding threading applications.
How to select the correct OSG extension tap for a job?
Select an OSG extension tap by matching thread size (e.g., 5/16"-18 UNC), chamfer type (plug for blind holes), flute count, and material compatibility. For deep or recessed holes, ensure the shank length exceeds the required reach. Consult OSG's technical data for optimal speeds and feeds.
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.
