OSG Spiral Point Tap: #3-56 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (#3-56 UNF, MPN 1206200) is a general purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H2 / 2B-3B for thread class compatibility.
SKU 3G-OTH-214463
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Product Description
The OSG Spiral Point Tap (#3-56 UNF, MPN 1206200) is a general purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H2 / 2B-3B for thread class compatibility.
Frequently Asked Questions
What is the OSG Spiral Point Tap #3-56 UNF used for?
The OSG Spiral Point Tap #3-56 UNF is used for threading blind or through holes in metal parts. Its spiral-point design pushes chips ahead, reducing clogging. Common in automotive, aerospace, and general machining where precise UNF threads are required.
What are the specifications of the OSG Spiral Point Tap #3-56 UNF?
This OSG tap has a #3-56 UNF thread size, H2 / 2B-3B tolerance, 2 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 1206200. It is designed for general-purpose threading in ferrous and non-ferrous materials.
Where to buy the OSG Spiral Point Tap #3-56 UNF worldwide?
You can source the OSG Spiral Point Tap #3-56 UNF 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 tap for a threading application?
Select an OSG tap based on thread size (e.g., #3-56 UNF), material (high-speed steel for general use), chamfer type (plug for most holes), and tolerance class (H2 / 2B-3B for standard fits). Match the tap to hole type—spiral point for through holes, spiral flute for blind holes.
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Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















