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OSG Spiral Point Tap: #3-56 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: #3-56 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (#3-56 UNF, MPN 1201200) is a general purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H1 / 2B-3B for thread class compatibility.

SKU 3G-OTH-215468

Brand
OSG
Item
Spiral Point Tap: #3-56 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1201200
Type
H1 / 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 1201200) is a general purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H1 / 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 components. Its spiral-point design pushes chips forward, reducing clogging. Common applications include automotive, aerospace, and general manufacturing where precise internal threads are required.

What are the specifications of the OSG Spiral Point Tap 1201200?

The OSG Spiral Point Tap 1201200 has a #3-56 UNF thread size, H1 / 2B-3B tolerance, 2 flutes, plug chamfer, and is made of high-speed steel. It is designed for general-purpose threading in ferrous and non-ferrous materials. OSG is the OEM brand.

Where to buy OSG Spiral Point Tap #3-56 UNF worldwide?

You can source the OSG Spiral Point Tap #3-56 UNF worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG spiral point tap for a job?

To select the correct OSG spiral point tap, match the thread size (e.g., #3-56 UNF), tolerance class (H1 / 2B-3B), and chamfer type (plug) to your material and hole type. For blind holes, spiral point taps push chips forward. Consult OSG's technical data for material-specific speeds and feeds.

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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