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OSG Spiral Flute Tap: 1"-8 UNC, H8 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1"-8 UNC, H8 / 2B-3B, 4 Flute

SKU 3G-OTH-217922

Brand
OSG
Item
Spiral Flute Tap: 1"-8 UNC, H8 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650507008
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and enabling efficient, clean threading in deep or blind applications across industrial machining.

What are the specifications of the OSG 1"-8 UNC spiral flute tap?

This OSG tap has a 1"-8 UNC thread, H8 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The manufacturer part number is 1650507008.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine OSG cutting tools like this spiral flute tap to customers across industries, ensuring reliable delivery to any location.

How to select the right OSG tap for steel threading?

Select an OSG tap based on thread size, tolerance class (e.g., H8 / 2B-3B), and material. For blind holes in steel, a spiral flute tap with modified bottoming chamfer, like this 1"-8 UNC model, is ideal. Consult OSG's technical data for optimal speeds and lubrication.

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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