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OSG Thread Forming Tap: 3/8"-24 UNF, H4 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 3/8"-24 UNF, H4 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (3/8"-24 UNF, MPN 1400137301) is a general purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. This tool is designed for…

SKU 3G-OTH-237468

Brand
OSG
Item
Thread Forming Tap: 3/8"-24 UNF, H4 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400137301
Type
H4 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt

Technical Documents

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

Product Description

The OSG Thread Forming Tap (3/8"-24 UNF, MPN 1400137301) is a general purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. This tool is designed for forming internal threads in a range of materials, with the H4 / 2B-3B specification indicating its thread class and fit.

Frequently Asked Questions

What is the OSG Thread Forming Tap 3/8"-24 UNF used for?

This OSG thread forming tap is used to create internal threads in ductile materials such as steel, aluminum, and brass without cutting. It is ideal for automotive, aerospace, and general manufacturing applications where strong, chip-free threads are required.

What are the specifications of the OSG Thread Forming Tap 3/8"-24 UNF?

The OSG tap has a 3/8"-24 UNF thread size, H4 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400137301. It is designed for general purpose thread forming in a variety of materials.

Where to buy the OSG Thread Forming Tap 3/8"-24 UNF worldwide?

You can source the OSG Thread Forming Tap 3/8"-24 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

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

Select the tap based on thread size, pitch, and material. For 3/8"-24 UNF threads in steel or aluminum, this OSG tap with H4 / 2B-3B tolerance and modified bottoming chamfer is suitable. Ensure your hole size matches the tap's recommended pre-drill diameter for optimal thread formation.

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: 3/8"-24 UNF, H4 / 2B-3B, Bottoming Chamfer, Black Oxide Cobalt (MPN 1400136801)
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OSG Thread Forming Tap: 3/8"-24 UNF, H4 / 2B-3B, Bottoming Chamfer, Black Oxide Cobalt (MPN 1400136801)
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OSG Thread Forming Tap: 3/8"-24 UNF, H8 / 2B-3B, Bottoming Chamfer, Black Oxide Cobalt (MPN 1400137201)
OSG Thread Forming Tap: 3/8"-24 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400137300)
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OSG Thread Forming Tap: 3/8"-24 UNF, H4 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400137300)
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OSG Thread Forming Tap: 3/8"-16 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400135001)
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OSG Thread Forming Tap: 3/8"-16 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400135001)

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