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OSG Thread Forming Tap: #4-40 UNC, H2 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: #4-40 UNC, H2 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105208) is a general-purpose thread-forming tap with a modified bottoming chamfer and TiCN-coated cobalt construction. It is specified as H2 / 2B-3B, suitable for…

SKU 3G-OTH-236850

Brand
OSG
Item
Thread Forming Tap: #4-40 UNC, H2 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400105208
Type
H2 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt

Technical Documents

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

Product Description

The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105208) is a general-purpose thread-forming tap with a modified bottoming chamfer and TiCN-coated cobalt construction. It is specified as H2 / 2B-3B, suitable for forming internal threads in a range of materials. 3G Electric sources this and thousands of other industrial tools across 14 departments, with specialist expertise in combustion, pumps, and controls to ensure you get the right solution.

Frequently Asked Questions

What is the OSG #4-40 UNC thread forming tap used for?

This OSG thread forming tap is used to create internal threads in metal without cutting, which eliminates chips and produces stronger threads. It is ideal for ductile materials like aluminum, steel, and stainless steel in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG 1400105208 thread forming tap?

The OSG 1400105208 is a #4-40 UNC thread forming tap with a H2 / 2B-3B tolerance, modified bottoming chamfer, and TiCN coated cobalt construction. It is designed for general purpose threading in ductile materials, providing wear resistance and thread accuracy.

Where to buy OSG thread forming taps worldwide?

You can source the OSG 1400105208 thread forming tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your manufacturing operations.

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

Select the OSG thread forming tap based on thread size (e.g., #4-40 UNC), material type, and required thread class (H2 / 2B-3B). For ductile materials, use a TiCN coated cobalt tap like this one. Ensure the chamfer type (modified bottoming) matches your hole depth and thread requirements.

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: #4-40 UNC, H2 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400105205)
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OSG Thread Forming Tap: #4-40 UNC, H2 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400105205)
OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400105008)
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OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400105008)
OSG Thread Forming Tap: #2-56 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400102708)
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OSG Thread Forming Tap: #2-56 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400102708)
OSG Thread Forming Tap: #4-40 UNC, H2 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400105201)
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OSG Thread Forming Tap: #4-40 UNC, H2 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400105201)
OSG Thread Forming Tap: #3-48 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400103908)
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OSG Thread Forming Tap: #3-48 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400103908)
OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Bottoming Chamfer, TiN Coated Cobalt (MPN 1400105005)
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OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Bottoming Chamfer, TiN Coated Cobalt (MPN 1400105005)

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