OSG 7/16-20 UNF Spiral-Flute Tap for Steel & Stainless Steel
The OSG Spiral Flute Tap (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1645076203).
SKU 3G-OTH-219083
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 Spiral Flute Tap (7/16"-20 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1645076203).
Frequently Asked Questions
What is OSG spiral flute tap 7/16-20 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the bottom of the hole. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of OSG spiral flute tap 7/16-20 UNF?
This OSG tap has a thread size of 7/16-20 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1645076203. It is designed for threading blind holes in steel and stainless steel materials.
Where to buy OSG spiral flute tap 7/16-20 UNF worldwide?
3G Electric supplies OSG spiral flute taps worldwide. 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. We source and deliver this OSG tap to support your threading operations.
How to select the right OSG spiral flute tap for steel?
For steel and stainless steel blind holes, choose a spiral flute tap with a modified bottoming chamfer like this OSG model. Ensure the thread size (7/16-20 UNF) and tolerance class (H3 / 2B-3B) match your requirements. Use appropriate cutting fluid and machine speed for optimal thread quality and tool life.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
