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OSG Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (7/16"-20 UNF, MPN 2949001) is a general purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H7 / 2B-3B tolerance class. This OSG tap is designed for threading…

SKU 3G-OTH-231214

Brand
OSG
Item
Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2949001
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 2949001) is a general purpose spiral-flute tap with a modified bottoming chamfer, 3 flutes, and H7 / 2B-3B tolerance class. This OSG tap is designed for threading applications requiring precise internal threads.

Frequently Asked Questions

What is the OSG spiral flute tap 2949001 used for?

The OSG spiral flute tap 2949001 is used for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom, making it ideal for general-purpose tapping in manufacturing and maintenance applications.

What are the specifications of the OSG spiral flute tap 2949001?

The OSG spiral flute tap 2949001 has a thread size of 7/16"-20 UNF, with a tolerance class of H7 / 2B-3B. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 2949001. This tap is designed for general-purpose threading in blind holes, providing reliable chip evacuation.

Where to buy the OSG spiral flute tap 2949001 worldwide?

You can source the OSG spiral flute tap 2949001 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this OSG tap.

How to select the correct OSG spiral flute tap for UNF threads?

To select the correct OSG spiral flute tap for UNF threads, match the thread size and pitch (e.g., 7/16"-20 UNF) to your application. Choose a tap with the appropriate tolerance class, such as H7 / 2B-3B, for the desired fit. For blind holes, a spiral flute tap with a modified bottoming chamfer, like the OSG 2949001, ensures effective chip removal and threading depth.

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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