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OSG Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Plug Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Plug Chamfer

SKU 3G-OTH-237220

Brand
OSG
Item
Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Plug Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400125200
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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, and is commonly applied in automotive, aerospace, and general manufacturing where strong, chip-free threads are required.

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

This OSG tap has a #12-28 UNF thread size, H7 / 2B-3B tolerance class, and a plug chamfer. It is made from cobalt for durability and high-speed performance. The manufacturer part number is 1400125200. It is designed for general-purpose thread forming in a range of materials.

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; we supply this OSG tap to procurement teams and engineers globally.

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 tolerance class (H7 / 2B-3B) aligns with your required thread fit. Use a plug chamfer for through holes. Cobalt material is recommended for harder materials. Consult OSG's technical data for material-specific speeds.

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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