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OSG Spiral-Flute Tap 5/8"-11 UNC H5 2B-3B Modified Bottoming Chamfer 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral-Flute Tap 5/8"-11 UNC H5 2B-3B Modified Bottoming Chamfer 3 Flute

The OSG Spiral Flute Tap (5/8"-11 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes (MPN 1645058115). 3G Electric interprets…

SKU 3G-OTH-218910

Brand
OSG
Item
Spiral-Flute Tap 5/8"-11 UNC H5 2B-3B Modified Bottoming Chamfer 3 Flute
Part Number
1645058115
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
Also known as:1645058115OSG
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Local office
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Phone
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Technical Specifications

OSG
Manufacturer Part Number
1645058115
Type
H5 / 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 (5/8"-11 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes (MPN 1645058115). 3G Electric interprets your demand for this OEM threading tool, sources it across our 14 industrial departments, and provides specialist support to ensure you get the right solution.

Frequently Asked Questions

What is the OSG spiral flute tap 5/8"-11 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its 3-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise internal threads.

What are the specifications of the OSG spiral flute tap 5/8"-11 UNC?

The OSG spiral flute tap has a thread size of 5/8"-11 UNC, with an H5 tolerance class suitable for 2B-3B fit. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1645058115, and it is designed for threading steel and stainless steel.

Where to buy OSG spiral flute taps worldwide?

You can source OSG spiral flute taps 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 on this and other OSG threading tools.

How to select the right OSG spiral flute tap for steel?

For steel and stainless steel, choose a spiral flute tap with a modified bottoming chamfer like this OSG model. Ensure the thread size (5/8"-11 UNC) and tolerance (H5) match your application. Use proper cutting fluid and machine speed to optimize thread quality and tool life.

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-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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