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OSG Spiral Point Tap: #3-56 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

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

Brand
OSG
Item
Spiral Point Tap: #3-56 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1206200
Type
H2 / 2B-3B, Plug Chamfer, High Speed Steel
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG 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.

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