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OSG Thread Forming Tap: 7/16"-14 UNC, H7 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 7/16"-14 UNC, H7 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (7/16"-14 UNC) is a general-purpose thread-forming tap with a Modified Bottoming Chamfer, TiCN Coated Cobalt construction, and H7 / 2B-3B tolerance class (MPN 1400139408).

SKU 3G-OTH-238437

Brand
OSG
Item
Thread Forming Tap: 7/16"-14 UNC, H7 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1400139408
Type
H7 / 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 (7/16"-14 UNC) is a general-purpose thread-forming tap with a Modified Bottoming Chamfer, TiCN Coated Cobalt construction, and H7 / 2B-3B tolerance class (MPN 1400139408).

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 industries like automotive and aerospace, where strong, chipless threads are required in ductile materials.

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

This OSG tap has a 7/16"-14 UNC thread size, H7 / 2B-3B tolerance, modified bottoming chamfer, and TiCN coated cobalt construction. The manufacturer part number is 1400139408. It is designed for forming threads in through or blind holes.

Where to buy 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 application.

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

Select the OSG tap based on thread size (e.g., 7/16"-14 UNC), tolerance class (H7 / 2B-3B), chamfer type (modified bottoming for blind holes), and coating (TiCN for wear resistance). Ensure the workpiece material is ductile enough for forming, not cutting, threads.

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: 7/16"-14 UNC, H7 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400139405)
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OSG Thread Forming Tap: 7/16"-20 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400141208)
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OSG Thread Forming Tap: 7/16"-20 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400141208)
OSG Thread Forming Tap: 7/16"-14 UNC, H6 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400139308)
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OSG Thread Forming Tap: 7/16"-14 UNC, H6 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400139308)

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