OSG 5/16"-18 UNC Spiral-Point Extension Tap
The OSG Extension Tap (5/16"-18 UNC) is a spiral-point extension tap for multiple materials, specified as H5 / 2B-3B with a plug chamfer and V Coated Powdered Metal construction. It features 3 flutes and is…
SKU 3G-OTH-402465
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 (5/16"-18 UNC) is a spiral-point extension tap for multiple materials, specified as H5 / 2B-3B with a plug chamfer and V Coated Powdered Metal construction. It features 3 flutes and is identified by manufacturer part number 1653502508.
Frequently Asked Questions
What is the OSG Extension Tap 5/16"-18 UNC used for?
This OSG extension tap is designed for threading blind or deep holes in multiple materials. Its spiral-point design pushes chips forward, making it ideal for production tapping in steel, stainless steel, and cast iron. The V coating and powdered metal construction provide wear resistance and extended tool life.
What are the specifications of the OSG Extension Tap 5/16"-18 UNC?
The OSG extension tap has a 5/16"-18 UNC thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a plug chamfer. It is made of V coated powdered metal with MPN 1653502508. This tap is suitable for threading multiple materials including steel and cast iron.
Where to buy the OSG Extension Tap 5/16"-18 UNC worldwide?
You can source the OSG Extension Tap 5/16"-18 UNC worldwide through 3G Electric. 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.
How to select the correct OSG extension tap for threading?
Select the OSG extension tap based on thread size, pitch, and material. For 5/16"-18 UNC threads in steel or cast iron, this V coated powdered metal tap with plug chamfer is suitable. Ensure the tap drill size matches the hole depth and that the extension length accommodates deep or blind holes.
Used in
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.
