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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 2931608) 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 delivers…

SKU 3G-OTH-231064

Brand
OSG
Item
Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2931608
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 2931608) 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 delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG spiral flute tap 2931608 used for?

The OSG spiral flute tap 2931608 is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. It is commonly applied in automotive, aerospace, and general manufacturing for creating UNC threads.

What are the specifications of the OSG spiral flute tap 2931608?

The OSG spiral flute tap 2931608 has a 3/8"-16 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general purpose spiral-flute tap designed for blind hole threading. The manufacturer part number is 2931608.

Where to buy OSG spiral flute tap 2931608 worldwide?

You can source the OSG spiral flute tap 2931608 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.

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

Select an OSG spiral flute tap like the 2931608 for blind holes because its flutes push chips out of the hole. Match the thread size (3/8"-16 UNC), tolerance (H3 / 2B-3B), and chamfer type (modified bottoming) to your application. Ensure material compatibility for optimal thread quality.

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: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2931601)
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OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2931601)
OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2931600)
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OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2930800)
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OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2930800)
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2932001)
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OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2932001)

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