OSG Spiral Flute Tap: 1 1/8"-12 UNF, H5 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (1 1/8"-12 UNF) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 2945001). 3G Electric interprets demand and delivers this…
SKU 3G-OTH-230487
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Product Description
The OSG Spiral Flute Tap (1 1/8"-12 UNF) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 2945001). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the OSG spiral flute tap 2945001 used for?
This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 2945001?
The OSG spiral flute tap has a thread size of 1 1/8"-12 UNF, with an H5 tolerance for class 2B-3B fit. It features 4 flutes and a modified bottoming chamfer, allowing threading close to the bottom of blind holes. The manufacturer part number is 2945001.
Where to buy the OSG spiral flute tap 2945001 worldwide?
You can source the OSG spiral flute tap 2945001 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2945001, which pushes chips upward. Ensure the tap has a bottoming or modified bottoming chamfer to thread close to the hole bottom. Match the thread size, pitch, and tolerance (e.g., H5 for 2B-3B) to your application requirements.
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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.















