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OSG Spiral Flute Tap: 5/16"-24 UNF, H5 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-24 UNF, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/16"-24 UNF, MPN 2941201) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance and a modified bottoming chamfer, featuring 3 flutes. 3G Electric interprets your demand for…

SKU 3G-OTH-230066

Brand
OSG
Item
Spiral Flute Tap: 5/16"-24 UNF, H5 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
2941201
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"-24 UNF, MPN 2941201) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance and a modified bottoming chamfer, featuring 3 flutes. 3G Electric interprets your demand for this precision threading tool, sources it from OSG, and provides a firm quote with dedicated support across 14 industrial departments — with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the OSG spiral flute tap 2941201 used for?

The OSG spiral flute tap 2941201 is designed for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, 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, H5 tolerance for 2B-3B class fit, 3 flutes, and a modified bottoming chamfer. The MPN is 2941201. It is designed for precise threading in blind holes, with chip evacuation to reduce tap breakage.

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 times on the OSG spiral flute tap 2941201 and other models.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 2941201 to push chips out of the hole. Match the thread size (e.g., 5/16-24 UNF) and tolerance (H5 for 2B-3B fit) to your application. Ensure the chamfer type (modified bottoming) suits the hole depth. Consult OSG's technical data for material-specific 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2940001)
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OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2940001)

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