OSG Spiral Flute Tap: #4-40 UNC, 2B, 2 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (#4-40 UNC, MPN 2985001) is a general purpose spiral-flute tap with a 2B thread class, bottoming chamfer, 2-flute design, and black oxide high-speed steel construction. 3G Electric interprets…
SKU 3G-OTH-230563
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 (#4-40 UNC, MPN 2985001) is a general purpose spiral-flute tap with a 2B thread class, bottoming chamfer, 2-flute design, and black oxide high-speed steel construction. 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is the OSG spiral flute tap #4-40 UNC used for?
The OSG spiral flute tap #4-40 UNC is designed for threading blind holes in materials like steel and aluminum. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. This bottoming chamfer tap reaches the bottom of the hole, making it ideal for precision machining and maintenance applications.
What are the specifications of the OSG spiral flute tap #4-40 UNC?
This OSG tap has a #4-40 UNC thread size, 2B class fit, 2 flutes, and a bottoming chamfer. It is made from black oxide high-speed steel (HSS) for wear resistance and reduced friction. The manufacturer part number is 2985001. It is suitable for general-purpose threading in blind holes.
Where to buy OSG spiral flute tap #4-40 UNC worldwide?
3G Electric supplies the OSG spiral flute tap #4-40 UNC (MPN 2985001) to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source genuine OSG taps and support procurement across 14 departments, including cutting tools and machining.
How to select the right OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a bottoming chamfer, like this OSG #4-40 UNC model. The spiral flute design evacuates chips upward, preventing jamming. Ensure the tap matches the thread size (UNC), class of fit (2B), and material (HSS for general use). Consult OSG's technical data for optimal speeds and lubrication.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
