OSG Spiral Flute Tap: 1 3/8"-12 UNF, H5 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (1 3/8"-12 UNF, MPN 2946201) is a general purpose spiral-flute tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets this demand and sources the…
SKU 3G-OTH-230722
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Spiral Flute Tap (1 3/8"-12 UNF, MPN 2946201) is a general purpose spiral-flute tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets this demand and sources the exact OEM-specified tool, supporting your machining operations across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is the OSG spiral flute tap used for?
The OSG spiral flute tap is used for threading blind holes in materials such as steel, stainless steel, and aluminum. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. This tap is ideal for automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
What are the specifications of the OSG spiral flute tap?
This OSG tap has a thread size of 1 3/8"-12 UNF, with an H5 tolerance for 2B-3B class fit. It features 4 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The manufacturer part number is 2946201, and it is designed for general purpose use.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on this OSG spiral flute tap and other threading tools.
How to select the right OSG spiral flute tap?
Select the OSG spiral flute tap based on thread size, pitch, and material. For blind holes, choose a modified bottoming chamfer like this 1 3/8"-12 UNF tap. Ensure the H5 tolerance matches your required thread class (2B-3B). Use appropriate cutting fluid and speed for the workpiece material to maximize tool life.
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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.
