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OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-229853

Brand
OSG
Item
Spiral Flute Tap: #8-32 UNC, H2 / 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
2907801

Technical Documents

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

Product Description

OSG General Purpose Spiral-Flute Taps.

Frequently Asked Questions

What is the OSG spiral flute tap #8-32 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. 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 #8-32 UNC?

The OSG spiral flute tap has a #8-32 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose tap designed for blind hole threading. The manufacturer part number is 2907801.

Where to buy OSG spiral flute taps in worldwide?

You can source OSG spiral flute 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 time on this OSG tap.

How to select the correct OSG spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG #8-32 UNC model. The spiral flutes push chips out of the hole, preventing breakage. Ensure the tap's thread class (H2 / 2B-3B) matches your required fit. Use proper cutting fluid and speed for the material being threaded.

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
Spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Thread size #8-32 UNC, tolerance H3 / 2B-3B, 3 flutes, modified bottoming chamfer
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Spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. Thread size #8-32 UNC, tolerance H3 / 2B-3B, 3 flutes, modified bottoming chamfer
OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2912800)
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OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2912800)
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General purpose spiral-flute tap for threading blind holes. The spiral flute design lifts chips upward to prevent clogging. Suitable for use in steel and aluminum. Thread size #6-32 UNC, H2 / 2B-3B tolerance, 3 flutes, modified bottoming chamfer
OSG Spiral Flute Tap: #6-32 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2912400)
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General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features #6-32 UNC thread size, H3 pitch diameter tolerance for class 2B or 3B threads, 3 flutes, and modified bottoming chamfer. Spiral flute design evacuates chips upward, preventing clogging in deep or blind applications
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General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features #6-32 UNC thread size, H3 pitch diameter tolerance for class 2B or 3B threads, 3 flutes, and modified bottoming chamfer. Spiral flute design evacuates chips upward, preventing clogging in deep or blind applications
General purpose spiral-flute tap for threading blind holes in steel and aluminum. Features a modified bottoming chamfer and 3 flutes to lift chips upward and prevent clogging. Thread size #10-32 UNF with H2 / 2B-3B tolerance. Suitable for general manufacturing applications
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General purpose spiral-flute tap for threading blind holes in steel and aluminum. Features a modified bottoming chamfer and 3 flutes to lift chips upward and prevent clogging. Thread size #10-32 UNF with H2 / 2B-3B tolerance. Suitable for general manufacturing applications

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General purpose spiral-flute tap with 3/4"-16 UNF thread, H3 / 2B-3B tolerance, and modified bottoming chamfer. Features 4 flutes for chip evacuation in blind hole threading applications. Suitable for through-hole threading as well
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This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute evacuates chips upward, preventing clogging. It features a modified bottoming chamfer for threading close to the bottom of blind holes. Suitable for general machining applications requiring precise internal threads
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