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OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105405) is a general-purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and TiN-coated cobalt construction. 3G Electric interprets your…

SKU 3G-OTH-236356

Brand
OSG
Item
Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400105405
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 (#4-40 UNC, MPN 1400105405) is a general-purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and TiN-coated cobalt construction. 3G Electric interprets your demand for this precision tool, sourcing it from our global network across 14 industrial departments — and we supply far more than is listed. Our specialist depth in combustion, pumps, and controls (as an authorised distributor for brands like FBR, Interpump, and Riello) anchors the trust we bring to every product category, ensuring you get the right answer, not just a catalog.

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 ductile materials such as aluminum, low-carbon steel, and stainless steel. It is ideal for automotive, aerospace, and general manufacturing applications where chip-free threading and stronger threads are required.

What are the specifications of the OSG 1400105405 thread forming tap?

The OSG 1400105405 is a #4-40 UNC thread forming tap with a H4 / 2B-3B tolerance, modified bottoming chamfer, and TiN coated cobalt construction. It is designed for general purpose threading in materials up to 850 °C hardness, providing wear resistance and extended tool life.

Where to buy OSG thread forming taps worldwide?

You can source OSG thread forming taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1400105405 tap.

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

Select the OSG tap based on thread size (e.g., #4-40 UNC), material type, and required tolerance class (H4 / 2B-3B). For ductile materials, use a modified bottoming chamfer. TiN coating improves lubricity and tool life. Consult OSG's technical data for specific material 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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