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OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute

OSG Spiral-Flute Taps for Steel & Stainless Steel.

SKU 3G-OTH-218987

Brand
OSG
Item
Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650500808

Technical Documents

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

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel.

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 steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and enabling clean threads in deep or blind applications. It is commonly used in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG spiral flute tap #8-32 UNC?

This OSG tap has a #8-32 UNC thread size, H3 / 2B-3B tolerance, 2 flutes, and a modified bottoming chamfer. The manufacturer part number is 1650500808. It is designed for threading steel and stainless steel, with a spiral flute geometry for chip evacuation in blind holes.

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 #8-32 UNC tap (MPN 1650500808).

How to select the correct OSG tap for steel threading?

Select an OSG tap based on thread size, material, and hole type. For blind holes in steel, use a spiral flute tap like the #8-32 UNC with a modified bottoming chamfer. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches your required thread class. OSG taps are engineered for precision in demanding materials.

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 spiral-flute taps for steel & stainless steel. 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: #8-32 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1650500908)
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OSG Spiral Flute Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1650501208)
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OSG Spiral Flute Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1650501208)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features H2 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer for threading close to hole bottom. Chip evacuation upward prevents clogging. Suitable for general manufacturing applications requiring precise internal threads
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features H2 / 2B-3B tolerance, 2 flutes, and modified bottoming chamfer for threading close to hole bottom. Chip evacuation upward prevents clogging. Suitable for general manufacturing applications requiring precise internal threads

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