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OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute

SKU 3G-OTH-218611

Brand
OSG
Item
Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
0139808
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG spiral flute tap 0139808 used for?

The OSG spiral flute tap 0139808 is designed for threading blind holes in steel and stainless steel. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general machining applications where reliable thread quality is critical.

What are the specifications of OSG tap 0139808?

This OSG tap has a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a spiral flute tap for steel and stainless steel. The manufacturer part number is 0139808. These specs ensure precise thread fit and chip evacuation in blind-hole applications.

Where to buy OSG spiral flute tap 0139808 worldwide?

3G Electric supplies and delivers the OSG spiral flute tap 0139808 worldwide. As a global industrial sourcing partner, we handle full logistics and customs clearance to ensure your order arrives at your facility. Contact us for availability and lead time on this precision threading tool.

How to select the right OSG tap for stainless steel?

For stainless steel, choose a spiral flute tap like the OSG 0139808 to manage chip evacuation in blind holes. Ensure the thread size (3/4"-16 UNF) and tolerance (H3 / 2B-3B) match your application. Use appropriate cutting fluid and speed to extend tool life and achieve clean threads.

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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