OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 2 Flute
The OSG Spiral Flute Tap (1/4"-28 UNF) is a 2-flute, modified bottoming chamfer tap with H4 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand and sources this…
SKU 3G-OTH-219036
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 (1/4"-28 UNF) is a 2-flute, modified bottoming chamfer tap with H4 / 2B-3B tolerance, designed for threading steel and stainless steel. 3G Electric interprets your demand and sources this genuine OSG tool (MPN 1650501808) across 14 industrial departments, with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is 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. Its 2-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
What are the specifications of OSG 1/4-28 UNF spiral flute tap?
The OSG tap has a 1/4-28 UNF thread size, H4 / 2B-3B tolerance, 2 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The manufacturer part number is 1650501808.
Where to buy OSG spiral flute taps worldwide?
3G Electric supplies OSG spiral flute taps like the 1/4-28 UNF model to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right 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 1/4-28 UNF model. Ensure the tap tolerance (H4 / 2B-3B) matches your required thread class. Use appropriate cutting fluid and speed for material hardness.
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.
