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OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/16"-24 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, featuring an H2 / 2B-3B tolerance and 3 flutes (MPN 2926408).

SKU 3G-OTH-231002

Brand
OSG
Item
Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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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
2926408
Type
H2 / 2B-3B, Modified Bottoming Chamfer
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (5/16"-24 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, featuring an H2 / 2B-3B tolerance and 3 flutes (MPN 2926408).

Frequently Asked Questions

What is the OSG spiral flute tap 2926408 used for?

The OSG spiral flute tap 2926408 is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom. It is common in automotive and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 5/16-24 UNF?

This OSG tap has a 5/16-24 UNF thread size, H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The MPN is 2926408. It is designed for general purpose blind-hole threading in ferrous and non-ferrous materials. The H2 limit ensures fit for 2B-3B class threads.

Where to buy OSG taps in worldwide?

You can source OSG 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 the OSG spiral flute tap 2926408. We supply genuine OSG tooling globally.

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

Select an OSG spiral flute tap with a modified bottoming chamfer for blind holes. Ensure the thread size (e.g., 5/16-24 UNF) and tolerance class (H2 / 2B-3B) match your application. Use a tap with 3 flutes for balanced chip evacuation. Consult OSG technical data for material-specific speeds and feeds.

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

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926401)
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OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926401)
OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926400)
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OSG Spiral Flute Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926400)
OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926801)
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OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926801)
OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926800)
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OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926800)
OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926808)
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OSG Spiral Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2926808)
OSG Spiral Flute Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2927600)
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OSG Spiral Flute Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2927600)

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