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OSG Spiral Flute Tap: 3/4"-10 UNC, 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"-10 UNC, H3 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (3/4"-10 UNC, MPN 1645034103) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric sources this…

SKU 3G-OTH-219088

Brand
OSG
Item
Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1645034103
Type
H3 / 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, MPN 1645034103) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric sources this genuine industrial threading tool as part of our broader supply across 14 departments, with specialist expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is the OSG spiral flute tap 1645034103 used for?

The OSG spiral flute tap 1645034103 is designed for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging in deep or blind-hole applications. It is commonly used in automotive, aerospace, and general manufacturing for creating 3/4"-10 UNC threads.

What are the specifications of the OSG tap 1645034103?

This OSG tap has a 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. It is a spiral flute tap designed for steel and stainless steel. The manufacturer part number is 1645034103.

Where to buy the OSG spiral flute tap 1645034103 worldwide?

You can source the OSG spiral flute tap 1645034103 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.

How to select the correct OSG tap for steel threading?

For steel threading, select a spiral flute tap like the OSG 1645034103 for blind holes, as it evacuates chips upward. Ensure the thread size (3/4"-10 UNC), tolerance (H3 / 2B-3B), and chamfer type (modified bottoming) match your application. Use appropriate cutting fluid for steel 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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