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OSG Thread Forming Tap: 7/16"-20 UNF, H8 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 7/16"-20 UNF, H8 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap (7/16"-20 UNF) is a general purpose thread-forming tap with a modified bottoming chamfer, made from cobalt. It is specified as H8 / 2B-3B (MPN 1400141300). 3G Electric interprets customer…

SKU 3G-OTH-236281

Brand
OSG
Item
Thread Forming Tap: 7/16"-20 UNF, H8 / 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
1400141300
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"-20 UNF) is a general purpose thread-forming tap with a modified bottoming chamfer, made from cobalt. It is specified as H8 / 2B-3B (MPN 1400141300). 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG Thread Forming Tap 7/16"-20 UNF used for?

This OSG thread forming tap is used to create internal threads in ductile materials like aluminum, brass, and low-carbon steel. It is ideal for applications requiring strong, chip-free threads in automotive, aerospace, and general manufacturing. The modified bottoming chamfer allows threading close to the bottom of blind holes.

What are the specifications of the OSG Thread Forming Tap 7/16"-20 UNF?

This tap has a thread size of 7/16"-20 UNF, with a tolerance class of H8 / 2B-3B. It features a modified bottoming chamfer and is made from cobalt high-speed steel for durability. The manufacturer part number is 1400141300, and it is designed for general-purpose thread forming in various materials.

Where to buy OSG Thread Forming Tap 7/16"-20 UNF worldwide?

You can source the OSG Thread Forming Tap 7/16"-20 UNF from 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; we supply this tap to procurement teams and engineers globally.

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

Select based on thread size, tolerance, and material. For 7/16"-20 UNF threads, use this OSG tap with H8 / 2B-3B tolerance for general-purpose forming. Ensure the workpiece material is ductile (e.g., aluminum, brass) to avoid tap breakage. For blind holes, the modified bottoming chamfer allows threading near the hole bottom.

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
OSG Thread Forming Tap: 7/16"-20 UNF, H8 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400141301)
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OSG Thread Forming Tap: 5/16"-24 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400133200)
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OSG Thread Forming Tap: 5/16"-24 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400133201)
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OSG Thread Forming Tap: 3/8"-24 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiN Coated Cobalt (MPN 1400137605)
OSG Thread Forming Tap: 3/8"-24 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400137608)
OSG
OSG Thread Forming Tap: 3/8"-24 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400137608)
OSG Thread Forming Tap: 5/16"-24 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400133208)
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OSG Thread Forming Tap: 5/16"-24 UNF, H7 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400133208)

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