OSG 1/2"-20 UNF Spiral-Flute Extension Tap
OSG Spiral-Flute Extension Taps for Steel & Stainless Steel.
SKU 3G-OTH-315330
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
OSG Spiral-Flute Extension Taps for Steel & Stainless Steel.
Frequently Asked Questions
What is the OSG extension tap 1/2"-20 UNF used for?
This OSG extension tap is designed for threading blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, making it ideal for deep-hole tapping where chip clearance is critical. The modified bottoming chamfer allows threading close to the bottom of the hole.
What are the specifications of the OSG extension tap MPN 1769201?
The OSG extension tap MPN 1769201 has a thread size of 1/2"-20 UNF, with a tolerance class of H3 / 2B-3B. It features 3 flutes and a modified bottoming chamfer. This spiral-flute tap is designed for steel and stainless steel applications.
Where to buy OSG extension taps worldwide?
You can source OSG extension taps worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead times on this OSG tap.
How to select the correct OSG extension tap for stainless steel?
For stainless steel, select a spiral-flute tap like this OSG 1/2"-20 UNF model to manage chip evacuation. Ensure the tap tolerance (H3 / 2B-3B) matches your thread class requirement. Use appropriate cutting fluid and reduce speed by 20-30% compared to carbon steel tapping.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute extension taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
