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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-219060

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
0139801
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG spiral flute tap 3/4-16 UNF used for?

This 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 ensuring clean threads. It is commonly used in automotive, aerospace, and general machining applications where precise internal threads are required.

What are the specifications of OSG spiral flute tap 0139801?

The OSG spiral flute tap has a thread size of 3/4-16 UNF, with a ground thread tolerance of H3 / 2B-3B. It features 4 flutes and a bottoming chamfer, making it suitable for threading to the bottom of blind holes. The manufacturer part number is 0139801.

Where to buy OSG spiral flute tap 0139801 worldwide?

3G Electric supplies and delivers the OSG spiral flute tap 0139801 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility. Contact us for availability and lead time.

How to select the correct spiral flute tap for steel?

Select a spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with a ground thread tolerance like H3 for precision. A bottoming chamfer is ideal for blind holes. Always match the tap to the hole depth and machine capability for best results.

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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