OSG Spiral Flute Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-28 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H6 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1703801).
SKU 3G-OTH-218018
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
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (1/4"-28 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H6 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1703801).
Frequently Asked Questions
What is the OSG spiral flute tap 1/4"-28 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general manufacturing for creating precise internal threads in components.
What are the specifications of the OSG spiral flute tap 1/4"-28 UNF?
The OSG spiral flute tap has a thread size of 1/4"-28 UNF, with a tolerance of H6 / 2B-3B. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1703801. This tap is suitable for threading blind holes in steel and stainless steel materials.
Where to buy the OSG spiral flute tap 1/4"-28 UNF worldwide?
You can source the OSG spiral flute tap 1/4"-28 UNF from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG tap.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with a modified bottoming chamfer for blind holes. Ensure the tap tolerance matches the required thread class, such as H6 / 2B-3B. Always match the tap to the specific material hardness and hole depth.
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.
