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OSG 7/16"-20 UNF General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 7/16"-20 UNF General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap (7/16"-20 UNF, MPN 2949000) is a general-purpose spiral-flute tap with a modified bottoming chamfer. It features 3 flutes and is rated H7 / 2B-3B for thread tolerance.

SKU 3G-OTH-230413

Brand
OSG
Item
7/16"-20 UNF General Purpose Spiral-Flute Tap
Part Number
2949000
Category
General Purpose Spiral-Flute Taps
Available to Order
Also known as:2949000OSG
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Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

OSG
Manufacturer Part Number
2949000
Type
H7 / 2B-3B, Modified Bottoming Chamfer
Flute
3

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

Product Description

The OSG Spiral Flute Tap (7/16"-20 UNF, MPN 2949000) is a general-purpose spiral-flute tap with a modified bottoming chamfer. It features 3 flutes and is rated H7 / 2B-3B for thread tolerance.

Frequently Asked Questions

What is the OSG spiral flute tap 2949000 used for?

The OSG spiral flute tap 2949000 is designed for threading blind holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging, making it ideal for automotive, aerospace, and general manufacturing applications requiring UNF threads.

What are the specifications of the OSG tap 2949000?

This OSG tap has a 7/16"-20 UNF thread size, H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The spiral flute geometry is optimized for chip evacuation in blind-hole threading. The manufacturer part number is 2949000.

Where to buy OSG spiral flute tap 2949000 worldwide?

You can source the OSG spiral flute tap 2949000 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive the correct threading tool for your operations.

How to select the correct OSG tap for UNF threads?

Select an OSG tap by matching the thread size (e.g., 7/16"-20 UNF) and tolerance class (H7 for 2B-3B fit). For blind holes, choose a spiral flute tap with a modified bottoming chamfer to thread close to the hole bottom. Verify material compatibility with OSG's coating options.

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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