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OSG Spiral Flute Tap: 3/8"-24 UNF, H5 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 3/8"-24 UNF, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (3/8"-24 UNF) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2941800). 3G Electric interprets demand and delivers this…

SKU 3G-OTH-229912

Brand
OSG
Item
Spiral Flute Tap: 3/8"-24 UNF, H5 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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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
2941800
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 (3/8"-24 UNF) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2941800). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the OSG spiral flute tap 2941800 used for?

The OSG spiral flute tap 2941800 is designed for threading blind holes in materials like 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 machining applications.

What are the specifications of the OSG 3/8-24 UNF spiral flute tap?

This OSG tap has a 3/8-24 UNF thread size, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for general purpose threading in blind holes. The manufacturer part number is 2941800.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2941800 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement needs across multiple departments.

How to select the correct OSG tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 2941800 to pull chips out of the hole. Match the thread size (e.g., 3/8-24 UNF) and tolerance (H5) to your application. Ensure the chamfer type (modified bottoming) suits the hole depth. Consult OSG's technical data for material-specific speeds and feeds.

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"-24 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941808)
OSG
OSG Spiral Flute Tap: 3/8"-24 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941808)
OSG Spiral Flute Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941608)
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OSG Spiral Flute Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941608)
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute lifts chips upward, preventing clogging in deep or blind holes. It features a 7/16"-14 UNC thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a modified bottoming chamfer. Suitable for general manufacturing applications requiring precise internal threads
OSG
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute lifts chips upward, preventing clogging in deep or blind holes. It features a 7/16"-14 UNC thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a modified bottoming chamfer. Suitable for general manufacturing applications requiring precise internal threads
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942008)
OSG
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2942008)
OSG Spiral Flute Tap: 5/16"-24 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941200)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941200)
OSG Spiral Flute Tap: 3/8"-24 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941700)
OSG
OSG Spiral Flute Tap: 3/8"-24 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2941700)

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