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3G Electric
OSG 7/8"-9 UNC Spiral-Point Extension Tap - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG 7/8"-9 UNC Spiral-Point Extension Tap

<p>The OSG 7/8"-9 UNC Spiral-Point Extension Tap is a high-performance tool engineered for threading multiple materials. Featuring a V-coated powdered metal construction and a 3-flute design, this tap delivers…

SKU 3G-OTH-402459

Brand
OSG
Item
7/8"-9 UNC Spiral-Point Extension Tap
Part Number
1653505308
Category
Spiral-Point Extension Taps for Multiple Materials
Available to Order
Also known as:1653505308OSG
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1653505308
Type
H6 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3

Technical Documents

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

Product Description

<p>The OSG 7/8"-9 UNC Spiral-Point Extension Tap is a high-performance tool engineered for threading multiple materials. Featuring a V-coated powdered metal construction and a 3-flute design, this tap delivers superior wear resistance and efficient chip evacuation. With an H6 tolerance and 2B-3B class of fit, it ensures precise threads in blind or through-hole applications. The plug chamfer allows for versatile use, while the extension design reaches deep or hard-to-access areas.</p><p>Ideal for machining operations in aerospace, automotive, and general manufacturing, this tap is a reliable choice for demanding projects. As a Singapore-based supplier, 3G Electric offers this OSG tap with SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia. Contact us for your bulk or single-unit needs.</p>

Frequently Asked Questions

What is the thread size and tolerance of this tap?

The tap is 7/8"-9 UNC with an H6 tolerance, suitable for 2B-3B class of fit.

What coating and material is used, and how does it benefit machining?

It features V-coated powdered metal, which enhances wear resistance and tool life, ideal for multiple materials.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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OSG Products

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

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