OSG Spiral Flute Tap: 1/2"-13 UNC, 2B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (1/2"-13 UNC) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and black oxide high-speed steel construction. It features 3 flutes and is identified by…
SKU 3G-OTH-230986
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 (1/2"-13 UNC) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and black oxide high-speed steel construction. It features 3 flutes and is identified by manufacturer part number 2986201.
Frequently Asked Questions
What is the OSG spiral flute tap used for?
The OSG spiral flute tap is used for threading blind holes in metal, where chips must be evacuated upward. It is common in automotive, aerospace, and general machining applications. The 1/2"-13 UNC size suits standard coarse-thread fasteners.
What are the specifications of the OSG 2986201 tap?
The OSG 2986201 is a 1/2"-13 UNC spiral flute tap with a 2B class of fit, 3 flutes, bottoming chamfer, and black oxide high-speed steel construction. It is designed for threading blind holes in ferrous materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine OSG cutting tools and deliver them to your facility, regardless of location.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2986201 to pull chips upward. Match the thread size (1/2"-13 UNC), chamfer type (bottoming for full threads near hole bottom), and material (black oxide HSS for steel). Consult OSG's technical data for optimal speeds and feeds.
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.
