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3G Electric
OSG #8-32 UNC Spiral-Flute Tap, TiN Coated HSS, Bottoming Chamfer, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG #8-32 UNC Spiral-Flute Tap, TiN Coated HSS, Bottoming Chamfer, 3 Flute

The OSG Spiral Flute Tap (#8-32 UNC, MPN 2985305) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and TiN-coated high-speed steel construction. It features 3 flutes for efficient chip…

SKU 3G-OTH-230108

Brand
OSG
Item
#8-32 UNC Spiral-Flute Tap, TiN Coated HSS, Bottoming Chamfer, 3 Flute
Part Number
2985305
Category
General Purpose Spiral-Flute Taps
Available to Order
Also known as:2985305OSG
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

OSG
Manufacturer Part Number
2985305
Type
2B, Bottoming Chamfer, TiN Coated High Speed Steel
Flute
3

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

Product Description

The OSG Spiral Flute Tap (#8-32 UNC, MPN 2985305) is a general-purpose spiral-flute tap with a 2B thread class, bottoming chamfer, and TiN-coated high-speed steel construction. It features 3 flutes for efficient chip evacuation in through-hole and blind-hole threading applications.

Frequently Asked Questions

What is the OSG spiral flute tap #8-32 UNC used for?

The OSG spiral flute tap #8-32 UNC is designed for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. The TiN coating reduces friction and extends tool life, making it suitable for general-purpose machining in automotive, aerospace, and industrial manufacturing.

What are the specifications of the OSG spiral flute tap #8-32 UNC?

The OSG spiral flute tap has a #8-32 UNC thread size, 2B class of fit, 3 flutes, and a bottoming chamfer. It is made from TiN coated high speed steel. The manufacturer part number is 2985305. This tap is designed for threading blind holes and is suitable for use with steel and aluminum materials.

Where to buy the OSG spiral flute tap #8-32 UNC worldwide?

You can source the OSG spiral flute tap #8-32 UNC worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. 3G Electric supplies this tap as part of our extensive cutting tool range.

How to select the correct OSG spiral flute tap for blind holes?

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., #8-32 UNC) and class of fit (e.g., 2B) to your application. Choose a bottoming chamfer for threading to the bottom of the hole. The TiN coating on high speed steel provides wear resistance for general-purpose use in steel and aluminum.

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 general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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