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

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

The OSG Thread Forming Tap (#12-28 UNF, MPN 1400124305) is a general-purpose thread-forming tap with an H7 / 2B-3B tolerance, modified bottoming chamfer, and TiN-coated cobalt construction. 3G Electric interprets…

SKU 3G-OTH-236365

Brand
OSG
Item
Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1400124305
Type
H7 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Thread Forming Tap (#12-28 UNF, MPN 1400124305) is a general-purpose thread-forming tap with an H7 / 2B-3B tolerance, modified bottoming chamfer, and TiN-coated cobalt construction. 3G Electric interprets your demand for this precision tool, sources it from OSG, and provides a quote with dedicated support across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is OSG thread forming tap #12-28 UNF used for?

This OSG thread forming tap creates internal threads in ductile materials like aluminum, brass, and low-carbon steel without cutting chips. It is ideal for CNC and manual tapping applications requiring strong, burr-free threads in automotive, aerospace, and general manufacturing.

What are the specifications of OSG thread forming tap 1400124305?

This OSG tap is #12-28 UNF with a modified bottoming chamfer, TiN coated cobalt construction, and tolerance H7 / 2B-3B. It is designed for through or blind holes and provides excellent wear resistance and thread accuracy in production environments.

Where to buy OSG thread forming tap #12-28 UNF worldwide?

3G Electric supplies and delivers this OSG thread forming tap worldwide. We handle full logistics and customs clearance to ensure your order arrives reliably. Contact us for availability and lead time on this and other OSG tooling.

How to select the right thread forming tap for aluminum?

For aluminum, choose a thread forming tap with a TiN coating like this OSG #12-28 UNF model to reduce galling. Use a modified bottoming chamfer for blind holes. Ensure the tap tolerance matches your required thread class, such as H7 / 2B-3B for general precision.

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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Cross-referenced by specification & description
OSG Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400124308)
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OSG Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400124308)
OSG Thread Forming Tap: #12-28 UNF, H6 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400124208)
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OSG Thread Forming Tap: #12-28 UNF, H6 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400124208)
OSG Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400124300)
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OSG Thread Forming Tap: #12-28 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400124300)
OSG Thread Forming Tap: #12-28 UNF, H6 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400124205)
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OSG Thread Forming Tap: #12-28 UNF, H6 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400124205)
OSG Thread Forming Tap: #12-24 UNC, H7 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400122505)
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OSG Thread Forming Tap: #12-24 UNC, H7 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400122505)
OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400124005)
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OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400124005)

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