OSG Spiral Flute Tap: 1 1/2"-12 UNF, H5 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (1 1/2"-12 UNF) is a general-purpose tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 2946801). 3G Electric interprets your demand for this OEM-specified…
SKU 3G-OTH-230227
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 1/2"-12 UNF) is a general-purpose tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 2946801). 3G Electric interprets your demand for this OEM-specified tool, sources it across our 14 industrial departments, and supports your operation with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the OSG spiral flute tap used for?
The OSG spiral flute tap is designed for threading blind holes in materials like steel and stainless steel. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general machining applications.
What are the specifications of the OSG spiral flute tap 2946801?
This OSG tap has a thread size of 1 1/2"-12 UNF, with an H5 tolerance for 2B-3B class fit. It features 4 flutes and a modified bottoming chamfer, making it suitable for threading close to the bottom of blind holes. The manufacturer part number is 2946801.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling logistics, customs, and delivery to your location. As a global industrial solutions provider, we source genuine OSG cutting tools like the spiral flute tap 2946801 and deliver them to customers across industries, ensuring compliance with international shipping requirements.
How to select the right OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like this OSG model, to thread close to the hole bottom. Match the tap tolerance (e.g., H5) to your required thread class (2B-3B). Ensure the tap material suits your workpiece—OSG taps are available for steel, stainless, and non-ferrous metals.
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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.
