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OSG Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute

SKU 3G-OTH-218942

Brand
OSG
Item
Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
0139208
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral flute tap 5/8"-11 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its 4-flute design and bottoming chamfer allow chip evacuation upward, making it ideal for deep-hole tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap MPN 0139208?

The OSG spiral flute tap has a thread size of 5/8"-11 UNC, with a H3 / 2B-3B tolerance class. It features 4 flutes and a bottoming chamfer, designed for steel and stainless steel. The manufacturer part number is 0139208.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG spiral flute tap MPN 0139208.

How to select the correct OSG tap for stainless steel?

For stainless steel, choose a spiral flute tap with a bottoming chamfer like this OSG model to clear chips upward. Ensure the thread class (H3 / 2B-3B) matches your hole tolerance. Use proper cutting fluid and rigid tapping to extend tool life.

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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