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OSG Thread Forming Tap: #12-28 UNF, H3 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: #12-28 UNF, H3 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (#12-28 UNF, MPN 1400123901) is a general-purpose thread-forming tap with an H3 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. This tool is designed for…

SKU 3G-OTH-237920

Brand
OSG
Item
Thread Forming Tap: #12-28 UNF, H3 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400123901
Type
H3 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Thread Forming Tap (#12-28 UNF, MPN 1400123901) is a general-purpose thread-forming tap with an H3 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. This tool is designed for forming internal threads in a range of materials, offering a durable solution for precision threading applications.

Frequently Asked Questions

What is the OSG Thread Forming Tap #12-28 UNF used for?

The OSG Thread Forming Tap #12-28 UNF is used to create internal threads in metal without cutting, by displacing material. It is ideal for ductile materials like aluminum, steel, and stainless steel, commonly in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Thread Forming Tap #12-28 UNF?

This OSG tap has a #12-28 UNF thread size, H3 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400123901. It is designed for general purpose thread forming in a variety of materials.

Where to buy the OSG Thread Forming Tap #12-28 UNF worldwide?

You can source the OSG Thread Forming Tap #12-28 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your application.

How to select the correct OSG Thread Forming Tap for my application?

To select the correct OSG thread forming tap, match the thread size (e.g., #12-28 UNF) and tolerance class (H3 / 2B-3B) to your hole specifications. Consider material hardness and use a modified bottoming chamfer for blind holes. Consult OSG's technical data for optimal performance.

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 thread-forming taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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