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OSG 7/8"-14 UNF General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG 7/8"-14 UNF General Purpose Spiral-Point Tap

<p>The OSG 7/8"-14 UNF General Purpose Spiral-Point Tap (MPN 2839200) is a high-performance threading tool designed for efficient production tapping. Featuring a 3-flute design and plug chamfer, this tap is…

SKU 3G-OTH-215596

Brand
OSG
Item
7/8"-14 UNF General Purpose Spiral-Point Tap
Part Number
2839200
Category
General Purpose Spiral-Point Taps
Available to Order
Also known as:2839200OSG
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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
2839200
Model
7/8"-14 UNF , H4 / , 3

Technical Documents

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

Product Description

<p>The OSG 7/8"-14 UNF General Purpose Spiral-Point Tap (MPN 2839200) is a high-performance threading tool designed for efficient production tapping. Featuring a 3-flute design and plug chamfer, this tap is engineered to push chips forward, making it ideal for through-hole applications. With an H4 tolerance and 2B-3B class of fit, it ensures precise threads in a variety of materials.</p><p>This tap is commonly used in automotive, aerospace, and general manufacturing for creating UNF threads. As a Singapore-based supplier, 3G Electric offers this OSG tap with worldwide shipping. Request a quote in SGD, and for local buyers, GST is handled seamlessly. Enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the thread size and type of this OSG tap?

This OSG tap has a thread size of 7/8"-14 UNF (Unified National Fine). It is a general purpose spiral-point tap with a plug chamfer and 3 flutes.

What is the class of fit and tolerance?

The tap has an H4 tolerance and is suitable for producing threads with a 2B-3B class of fit, which is standard for general purpose tapping applications.

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
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OSG Products

3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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