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OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (3/8"-16 UNC, MPN 2931600) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance and a modified bottoming chamfer, featuring 3 flutes. 3G Electric interprets demand and sources…

SKU 3G-OTH-230332

Brand
OSG
Item
Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
Available to Order
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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
2931600
Type
H3 / 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 (3/8"-16 UNC, MPN 2931600) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance and a modified bottoming chamfer, featuring 3 flutes. 3G Electric interprets demand and sources this genuine OSG tap across 14 industrial departments, with specialist depth in cutting tools as an authorised distributor.

Frequently Asked Questions

What is the OSG Spiral Flute Tap 2931600 used for?

The OSG Spiral Flute Tap 2931600 is used for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, making it ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications where chip clearance is critical.

What are the specifications of the OSG Spiral Flute Tap 2931600?

This OSG tap has a 3/8"-16 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The MPN is 2931600. It is designed for general-purpose threading in blind holes, providing accurate thread depth and chip evacuation.

Where to buy the OSG Spiral Flute Tap 2931600 worldwide?

You can source the OSG Spiral Flute Tap 2931600 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG tap.

How to select the correct OSG Spiral Flute Tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG model with a modified bottoming chamfer to thread close to the hole bottom. Ensure the tap's thread size (3/8"-16 UNC) and tolerance (H3 / 2B-3B) match your application. Always use proper cutting fluid and tap drill size per OSG recommendations.

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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