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OSG Thread Forming Tap: 7/16"-20 UNF, H12, Modified Bottoming Chamfer - Oversized Thread-Forming Taps
OSGOversized Thread-Forming Taps

OSG Thread Forming Tap: 7/16"-20 UNF, H12, Modified Bottoming Chamfer

The OSG Thread Forming Tap (7/16"-20 UNF) is an oversized thread-forming tap with a modified bottoming chamfer and black oxide cobalt finish. It is manufactured to an H12 tolerance (MPN 1400141701).

SKU 3G-OTH-281738

Brand
OSG
Item
Thread Forming Tap: 7/16"-20 UNF, H12, Modified Bottoming Chamfer
Category
Oversized Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400141701
Type
H12, Modified Bottoming Chamfer, Black Oxide Cobalt
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Thread Forming Tap (7/16"-20 UNF) is an oversized thread-forming tap with a modified bottoming chamfer and black oxide cobalt finish. It is manufactured to an H12 tolerance (MPN 1400141701).

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 without cutting chips. It is ideal for automotive, aerospace, and general manufacturing applications requiring strong, precise threads in blind or through holes.

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

This OSG tap has a 7/16"-20 UNF thread size, H12 tolerance, modified bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400141701. It is designed for forming threads in materials up to 850 °C hardness, with a 24 VDC compatible coating for extended tool life.

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

You can source the OSG Thread Forming Tap 7/16"-20 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 on this H12, black oxide cobalt tap.

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

Select based on thread size (e.g., 7/16"-20 UNF), material type, and tolerance class (H12 for tight fits). Use a modified bottoming chamfer for blind holes. Ensure the tap's black oxide cobalt coating suits your workpiece hardness. Consult OSG's technical data for optimal speeds and lubrication.

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 oversized 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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