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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 1400123908) is a general-purpose thread-forming tap with an H3 / 2B-3B tolerance, modified bottoming chamfer, and TiCN-coated cobalt construction. 3G Electric interprets…

SKU 3G-OTH-238286

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
1400123908
Type
H3 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Thread Forming Tap (#12-28 UNF, MPN 1400123908) is a general-purpose thread-forming tap with an H3 / 2B-3B tolerance, modified bottoming chamfer, and TiCN-coated cobalt construction. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

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 workpieces without cutting material. It is ideal for applications requiring strong, burr-free threads in ductile materials such as aluminum, brass, and low-carbon steel. The TiCN coating enhances wear resistance and tool life.

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

This OSG tap has a #12-28 UNF thread size with an H3 / 2B-3B tolerance class. It features a modified bottoming chamfer and a TiCN coated cobalt construction. The manufacturer part number is 1400123908. 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 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 on this OSG tap.

How to select the correct OSG Thread Forming Tap for #12-28 UNF threads?

To select the correct OSG Thread Forming Tap for #12-28 UNF threads, match the tap's thread size and pitch to your application. Ensure the H3 / 2B-3B tolerance class fits your required thread fit. The TiCN coated cobalt construction is suitable for harder materials. Consult OSG's technical data for material-specific recommendations.

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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