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

The OSG Spiral Flute Tap (5/8"-11 UNC, MPN 1749101) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets this…

SKU 3G-OTH-217891

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

OSG
Manufacturer Part Number
1749101
Type
H3 / 2B-3B, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (5/8"-11 UNC, MPN 1749101) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets this demand and sources the genuine OSG product, supporting your operation across 14 industrial departments with specialist depth in cutting tools.

Frequently Asked Questions

What is the OSG spiral flute tap 1749101 used for?

The OSG spiral flute tap 1749101 is designed for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise UNC threads.

What are the specifications of the OSG 1749101 tap?

The OSG 1749101 is a spiral flute tap with a 5/8"-11 UNC thread size, H3 / 2B-3B tolerance, and 3 flutes. It features a modified bottoming chamfer for threading close to the bottom of blind holes. This tap is designed for steel and stainless steel workpieces.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, including the 1749101 spiral flute tap. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other OSG threading tools.

How to select the right OSG tap for steel?

For steel and stainless steel blind holes, choose a spiral flute tap like the OSG 1749101 with a modified bottoming chamfer. Ensure the thread size (5/8"-11 UNC) and tolerance (H3 / 2B-3B) match your application. Use appropriate cutting fluid and follow OSG's recommended speeds and feeds for optimal thread quality.

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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