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OSG #4-40 UNC General Purpose Thread-Forming Tap - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG #4-40 UNC General Purpose Thread-Forming Tap

OSG General Purpose Thread-Forming Taps.

SKU 3G-OTH-238341

Brand
OSG
Item
#4-40 UNC General Purpose Thread-Forming Tap
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400105000

Technical Documents

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

Product Description

OSG General Purpose Thread-Forming Taps.

Frequently Asked Questions

What is the OSG Thread Forming Tap #4-40 UNC used for?

The OSG Thread Forming Tap #4-40 UNC is used to create internal threads in ductile materials such as aluminum, brass, and low-carbon steel without cutting chips. It is ideal for automotive, aerospace, and general manufacturing applications where thread strength and cleanliness are critical.

What are the specifications of the OSG Thread Forming Tap #4-40 UNC?

This OSG tap has a #4-40 UNC thread size, H4 / 2B-3B tolerance, bottoming chamfer, and is made from cobalt high-speed steel. The manufacturer part number is 1400105000. It is designed for general-purpose thread forming in ductile materials.

Where to buy OSG Thread Forming Tap #4-40 UNC worldwide?

You can source the OSG Thread Forming Tap #4-40 UNC worldwide through 3G Electric. As a global industrial distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select an OSG thread forming tap based on material ductility, thread size, and tolerance class. For #4-40 UNC threads in aluminum or steel, use a bottoming chamfer tap with H4 / 2B-3B tolerance. Ensure the tap matches the required thread depth and machine capability.

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
Thread-forming tap for creating internal threads in ductile materials without cutting, reducing chip debris. Features a bottoming chamfer for threading to the bottom of blind holes, TiCN coating for wear resistance, and H4 / 2B-3B tolerance class. Suitable for general purpose thread forming in metals such as aluminum and steel
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Thread-forming tap for creating internal threads in ductile materials without cutting, reducing chip debris. Features a bottoming chamfer for threading to the bottom of blind holes, TiCN coating for wear resistance, and H4 / 2B-3B tolerance class. Suitable for general purpose thread forming in metals such as aluminum and steel
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)
Thread-forming tap for creating internal threads in metal without cutting, producing stronger threads and eliminating chips. Suitable for through-hole or blind-hole threading in materials up to 850 °C hardness. Features #4-40 UNC thread size, H4 / 2B-3B tolerance, bottoming chamfer, and black oxide cobalt finish
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Thread-forming tap for creating internal threads in metal without cutting, producing stronger threads and eliminating chips. Suitable for through-hole or blind-hole threading in materials up to 850 °C hardness. Features #4-40 UNC thread size, H4 / 2B-3B tolerance, bottoming chamfer, and black oxide cobalt finish
Thread-forming tap for creating internal threads in ductile materials without cutting, reducing chip issues. Features H2 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. Suitable for general machining applications requiring strong, burr-free threads
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Thread-forming tap for creating internal threads in ductile materials without cutting, reducing chip issues. Features H2 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. Suitable for general machining applications requiring strong, burr-free threads
This thread-forming tap creates internal threads without cutting, eliminating chips and producing stronger threads. It features a modified bottoming chamfer for threading close to the bottom of blind holes. The TiCN-coated cobalt construction provides wear resistance. Suitable for ductile materials such as aluminum, steel, and stainless steel
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This thread-forming tap creates internal threads without cutting, eliminating chips and producing stronger threads. It features a modified bottoming chamfer for threading close to the bottom of blind holes. The TiCN-coated cobalt construction provides wear resistance. Suitable for ductile materials such as aluminum, steel, and stainless steel
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)

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