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OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 4 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 2948601) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this OEM…

SKU 3G-OTH-230494

Brand
OSG
Item
Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 4 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
2948601
Type
H3 / 2B-3B, Modified Bottoming Chamfer
Flute
4

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (9/16"-12 UNC, MPN 2948601) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this OEM threading tool, sources it across our 14 industrial departments, and supports your application with specialist depth in controls and pumps.

Frequently Asked Questions

What is the OSG spiral flute tap 2948601 used for?

The OSG spiral flute tap 2948601 is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise UNC threads.

What are the specifications of the OSG 2948601 tap?

The OSG 2948601 is a 9/16"-12 UNC spiral flute tap with a modified bottoming chamfer and 4 flutes. It has an H3 / 2B-3B tolerance class, ensuring accurate thread fit. This general purpose tap is suitable for through or blind hole threading in production environments.

Where to buy OSG taps in worldwide?

You can source the OSG 2948601 spiral flute tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this OSG tap.

How to select the correct OSG tap for UNC threads?

Select an OSG tap based on thread size, pitch, and hole type. For blind holes, use a spiral flute tap like the 2948601 to clear chips. Match the tap tolerance (e.g., H3) to the required class of fit (2B-3B). Always verify material hardness and use appropriate cutting fluid for best results.

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: 9/16"-12 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 2948600)
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OSG Spiral Flute Tap: 9/16"-12 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 2948600)
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OSG Spiral Flute Tap: 9/16"-18 UNF, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 2948801)
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2932000)
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OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2932000)
OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2931608)
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OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2931608)
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"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2931801)
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OSG Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2931801)

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