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OSG Spiral Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2940801) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this cutting…

SKU 3G-OTH-229895

Brand
OSG
Item
Spiral Flute Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2940801
Type
H5 / 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"-18 UNC, MPN 2940801) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this cutting tool, sourcing it from our broad industrial supply network across 14 departments, with specialist depth in machining and controls to support your threading applications.

Frequently Asked Questions

What is the OSG spiral flute tap 2940801 used for?

The OSG spiral flute tap 2940801 is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads in applications like automotive, aerospace, and general machining.

What are the specifications of the OSG 2940801 tap?

The OSG 2940801 is a 5/16"-18 UNC spiral flute tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for general purpose threading in blind holes, providing precise thread depth control and chip evacuation.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2940801 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other OSG threading tools.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 2940801 to pull chips out of the hole. Match the thread size (5/16"-18 UNC), chamfer type (modified bottoming for near-bottom threading), and tolerance class (H5 for 2B-3B fit) to your material and application requirements.

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, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941201)
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OSG Spiral Flute Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941601)
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942001)
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OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942001)
OSG Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942201)
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OSG Spiral Flute Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942201)

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