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OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (#12-28 UNF, MPN 1400124005) is a general-purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and TiN coated cobalt construction. 3G Electric interprets…

SKU 3G-OTH-237035

Brand
OSG
Item
Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400124005
Type
H4 / 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 1400124005) is a general-purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and TiN coated cobalt construction. 3G Electric interprets this demand and delivers the genuine OSG tap, backed by our specialist depth in industrial tooling across 14 departments — and we supply far more than is listed.

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 steel without cutting chips. It is ideal for high-speed production environments where chip evacuation is problematic, such as automotive and aerospace manufacturing.

What are the specifications of OSG thread forming tap 1400124005?

This OSG tap is #12-28 UNF with a H4 / 2B-3B tolerance class, modified bottoming chamfer, and TiN coated cobalt construction. The TiN coating reduces friction and extends tool life in ferrous and non-ferrous materials.

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, ensuring you receive genuine OSG tooling for your production needs. Contact us for availability and lead time.

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. Ensure the tap's tolerance class (H4 / 2B-3B) matches your required thread fit. Use proper lubrication and a rigid tapping cycle for best results.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400124008)
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OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400124008)
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: #12-28 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, H3 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400123905)
OSG
OSG Thread Forming Tap: #12-28 UNF, H3 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400123905)
OSG Thread Forming Tap: #12-28 UNF, H8 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400124405)
OSG
OSG Thread Forming Tap: #12-28 UNF, H8 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400124405)
OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400124000)
OSG
OSG Thread Forming Tap: #12-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400124000)

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