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OSG Thread Forming Tap: 7/16"-14 UNC, H8 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 7/16"-14 UNC, H8 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (7/16"-14 UNC, MPN 1400139500) is a general-purpose, cobalt tap with an H8 / 2B-3B tolerance and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine…

SKU 3G-OTH-237281

Brand
OSG
Item
Thread Forming Tap: 7/16"-14 UNC, H8 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Local availability & support

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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1400139500
Type
H8 / 2B-3B, Modified Bottoming Chamfer, Cobalt

Technical Documents

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

Product Description

The OSG Thread Forming Tap (7/16"-14 UNC, MPN 1400139500) is a general-purpose, cobalt tap with an H8 / 2B-3B tolerance and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in controls and pumps as an authorised distributor.

Frequently Asked Questions

What is the OSG Thread Forming Tap 7/16"-14 UNC used for?

This OSG thread forming tap is used to create internal threads in metal workpieces without cutting material. It is ideal for general-purpose threading in ductile materials such as steel, aluminum, and brass, commonly found in automotive and industrial manufacturing applications.

What are the specifications of the OSG Thread Forming Tap 7/16"-14 UNC?

This OSG tap has a thread size of 7/16"-14 UNC, a thread limit of H8 / 2B-3B, a modified bottoming chamfer, and is made from cobalt. The manufacturer part number is 1400139500. It is designed for forming threads in through or blind holes.

Where to buy the OSG Thread Forming Tap 7/16"-14 UNC worldwide?

You can source the OSG Thread Forming Tap 7/16"-14 UNC from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading needs.

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

Select the OSG thread forming tap based on thread size, pitch, and material. For 7/16"-14 UNC threads in ductile materials, this cobalt tap with H8 / 2B-3B tolerance and modified bottoming chamfer is suitable. Ensure the tap matches your hole type—through or blind—and consult OSG's technical data for optimal performance.

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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OSG Thread Forming Tap: 7/16"-14 UNC, H9 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400139600)
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OSG Thread Forming Tap: 7/16"-14 UNC, H8 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400139505)
OSG Thread Forming Tap: 7/16"-14 UNC, H8 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400139501)
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OSG Thread Forming Tap: 7/16"-14 UNC, H8 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400139501)
OSG Thread Forming Tap: 7/16"-14 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400139100)
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OSG Thread Forming Tap: 7/16"-14 UNC, H4 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400139100)

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