OSG Extension Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Extension Tap (MPN 2103801) is a 3/8"-16 UNC spiral-point extension tap with a plug chamfer, made from black oxide high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, designed for…
SKU 3G-OTH-313574
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 (MPN 2103801) is a 3/8"-16 UNC spiral-point extension tap with a plug chamfer, made from black oxide high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, designed for through-hole threading applications.
Frequently Asked Questions
What is OSG Extension Tap 3/8"-16 UNC used for?
This OSG extension tap is used for threading blind or deep holes in metal where a standard tap cannot reach. It is common in automotive, aerospace, and general machining applications requiring precise internal threads in steel or cast iron.
What are the specifications of OSG Extension Tap 2103801?
The OSG Extension Tap 2103801 is a 3/8"-16 UNC spiral-point tap with H3 / 2B-3B tolerance, plug chamfer, 3 flutes, and black oxide high-speed steel construction. It is designed for through-hole threading in hard-to-reach locations.
Where to buy OSG Extension Tap 2103801 worldwide?
3G Electric supplies the OSG Extension Tap 2103801 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this precision threading tool.
How to select the correct OSG extension tap for a job?
Select an OSG extension tap based on thread size (e.g., 3/8"-16 UNC), hole depth, material, and required thread class (H3 / 2B-3B). For blind holes, use a plug or bottoming chamfer; for through holes, a spiral-point design like this one works best.
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.
