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OSG Spiral Flute Tap: 3/4"-10 UNC, H6 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 3/4"-10 UNC, H6 / 2B-3B, 4 Flute

SKU 3G-OTH-219066

Brand
OSG
Item
Spiral Flute Tap: 3/4"-10 UNC, H6 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
0139708
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral flute tap 0139708 used for?

The OSG spiral flute tap 0139708 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 requiring precise UNC threads.

What are the specifications of the OSG 0139708 tap?

The OSG 0139708 is a 3/4"-10 UNC spiral flute tap with a bottoming chamfer and 4 flutes. It has a thread tolerance of H6 / 2B-3B, ensuring a precise fit for class 2B or 3B nuts. This tap is intended for threading blind holes in steel and stainless steel materials.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 0139708 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement with technical expertise across 14 industrial departments.

How to select the correct spiral flute tap for steel?

For steel and stainless steel, choose a spiral flute tap with a bottoming chamfer for blind holes. Match the tap size and thread pitch to your application—here, 3/4"-10 UNC. Ensure the thread tolerance (e.g., H6 / 2B-3B) aligns with your required fit. OSG taps are a reliable choice for consistent performance.

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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