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OSG #8-32 UNC General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG #8-32 UNC General Purpose Spiral-Flute Tap

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230455

Brand
OSG
Item
#8-32 UNC General Purpose Spiral-Flute Tap
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
2912801

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?

The OSG spiral flute tap #8-32 UNC is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It is commonly used in automotive, aerospace, and general manufacturing applications where clean, accurate threads are required.

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, H3 / 2B-3B tolerance class, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 2912801. It is a general-purpose spiral-flute tap suitable for threading blind holes in a variety of materials.

Where to buy OSG spiral flute taps 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 the OSG spiral flute tap #8-32 UNC (MPN 2912801).

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

For blind holes, choose a spiral flute tap like the OSG #8-32 UNC with a modified bottoming chamfer to thread close to the hole bottom. Ensure the tap's tolerance class (H3 / 2B-3B) matches your required thread fit. Use proper cutting fluid and machine speed per OSG recommendations for optimal thread quality.

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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Cross-referenced by specification & description
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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OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 2907801)
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. Features a modified bottoming chamfer and 3 flutes to evacuate chips upward, preventing clogging. Suitable for achieving Class 2B or 3B thread fits in materials such as steel and aluminum
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General purpose spiral-flute tap for threading blind holes. Features a modified bottoming chamfer and 3 flutes to evacuate chips upward, preventing clogging. Suitable for achieving Class 2B or 3B thread fits in materials such as steel and aluminum
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
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: #8-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2918001)
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OSG Spiral Flute Tap: #8-32 UNC, H7 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2918001)

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General purpose spiral-flute tap for threading blind holes. Features a modified bottoming chamfer and 3 flutes to evacuate chips upward. Suitable for materials such as steel and aluminum. Tolerance H5 for 2B-3B class threads
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This OSG spiral-flute tap is designed for general purpose threading in blind holes. The spiral flute design pushes chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for threading near the bottom of blind holes. Tolerance class H3 ensures precise fit for 2B-3B class threads
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