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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, MPN 1400139405) is a general-purpose thread-forming tap with a modified bottoming chamfer and TiN-coated cobalt construction. It is specified as H7 / 2B-3B, indicating its…

SKU 3G-OTH-236413

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
1400139405
Type
H7 / 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 (7/16"-14 UNC, MPN 1400139405) is a general-purpose thread-forming tap with a modified bottoming chamfer and TiN-coated cobalt construction. It is specified as H7 / 2B-3B, indicating its tolerance class and thread fit capability.

Frequently Asked Questions

What is OSG thread forming tap 7/16-14 UNC used for?

This OSG thread forming tap creates internal threads in ductile materials like aluminum, brass, and low-carbon steel without cutting chips. It is ideal for CNC and manual tapping applications requiring strong, burr-free threads in general manufacturing and maintenance.

What are the specifications of OSG thread forming tap 7/16-14 UNC?

This OSG tap has a 7/16-14 UNC thread size, H7 / 2B-3B tolerance class, modified bottoming chamfer, and TiN coated cobalt construction. The manufacturer part number is 1400139405. It is designed for through or blind hole threading.

Where to buy OSG thread forming tap 7/16-14 UNC worldwide?

3G Electric supplies and delivers this OSG thread forming tap worldwide. We handle full logistics and customs clearance to ensure your order arrives at your facility. Contact us for pricing and lead time on this TiN coated cobalt tap.

How to select the right thread forming tap for aluminum?

For aluminum, choose a thread forming tap with a TiN coating like this OSG model to reduce friction and galling. Ensure the tap size matches your hole diameter and thread class (e.g., H7 / 2B-3B). Use proper lubrication and speed for optimal thread quality.

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, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400139408)
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OSG Thread Forming Tap: 7/16"-20 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400141205)

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