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OSG Thread Forming Tap: #12-28 UNF, H2 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: #12-28 UNF, H2 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (#12-28 UNF) is a general-purpose thread-forming tap with a Modified Bottoming Chamfer and Black Oxide Cobalt finish. It is specified as H2 / 2B-3B (MPN 1400123801), designed for forming…

SKU 3G-OTH-237963

Brand
OSG
Item
Thread Forming Tap: #12-28 UNF, H2 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400123801
Type
H2 / 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) is a general-purpose thread-forming tap with a Modified Bottoming Chamfer and Black Oxide Cobalt finish. It is specified as H2 / 2B-3B (MPN 1400123801), designed for forming internal threads in a range of materials.

Frequently Asked Questions

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

This OSG thread forming tap is used to create internal threads in metal workpieces without cutting material. It is ideal for ductile materials like aluminum, steel, and stainless steel, producing stronger threads with no chips. Common applications include automotive, aerospace, and general manufacturing.

What are the specifications of the OSG Thread Forming Tap 1400123801?

The OSG Thread Forming Tap has a #12-28 UNF thread size, H2 / 2B-3B tolerance, and a modified bottoming chamfer. It is made from black oxide cobalt for durability and wear resistance. The manufacturer part number is 1400123801, and it is designed for general purpose thread forming.

Where to buy 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. Contact us for availability and lead time on this item.

How to select the correct OSG thread forming tap for my application?

Select the OSG thread forming tap based on thread size, tolerance class, and material. For #12-28 UNF threads, ensure the tap matches the required H2 / 2B-3B fit. Use a modified bottoming chamfer for blind holes. Always match the tap coating to workpiece material; black oxide cobalt suits ferrous and non-ferrous metals.

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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