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OSG Spiral Flute Tap: #8-32 UNC, H4 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #8-32 UNC, H4 / 2B-3B, 3 Flute

SKU 3G-OTH-218553

Brand
OSG
Item
Spiral Flute Tap: #8-32 UNC, H4 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1747001
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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 materials that produce long, stringy chips. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 1747001?

The OSG spiral flute tap MPN 1747001 is a #8-32 UNC tap with a H4 / 2B-3B tolerance class. It has 3 flutes and a modified bottoming chamfer, making it suitable for threading blind holes in steel and stainless steel. The H4 limit ensures precise thread fit for high-accuracy applications.

Where to buy OSG taps in worldwide?

You can source OSG taps, including the spiral flute tap 1747001, through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to worldwide destinations. Contact them for availability and lead time on this and other OSG threading tools.

How to select the right OSG tap for stainless steel?

For stainless steel, select a spiral flute tap like the OSG #8-32 UNC with a modified bottoming chamfer to manage chip evacuation in blind holes. Ensure the tap has a H4 tolerance class for precise thread fit. Use appropriate cutting fluid and reduce speed to prevent work hardening. OSG taps are engineered for these 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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