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OSG Spiral Flute Tap: 3/4"-10 UNC, H5 / 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, H5 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (3/4"-10 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 4 flutes (MPN 1645034105). 3G Electric interprets…

SKU 3G-OTH-217911

Brand
OSG
Item
Spiral Flute Tap: 3/4"-10 UNC, H5 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1645034105
Type
H5 / 2B-3B, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (3/4"-10 UNC) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 4 flutes (MPN 1645034105). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments—and far more—with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the OSG spiral flute tap 1645034105 used for?

The OSG spiral flute tap 1645034105 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general manufacturing for creating UNC threads in tough materials.

What are the specifications of the OSG spiral flute tap 1645034105?

This OSG tap has a 3/4"-10 UNC thread size, H5 tolerance, and a modified bottoming chamfer. It features 4 flutes and is rated for 2B-3B class fit. The manufacturer part number is 1645034105. It is designed for threading steel and stainless steel in blind-hole applications.

Where to buy the OSG spiral flute tap 1645034105 worldwide?

You can source the OSG spiral flute tap 1645034105 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this tap to customers across industries.

How to select the correct OSG spiral flute tap for steel?

For steel, choose a spiral flute tap like the OSG 1645034105 with a modified bottoming chamfer for blind holes. Ensure the thread size (3/4"-10 UNC) and tolerance (H5) match your application. Use proper cutting fluid and rigid tapping equipment to extend tool life and achieve accurate 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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