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OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute

SKU 3G-OTH-230523

Brand
OSG
Item
Spiral Flute Tap: 3/4"-16 UNF, H3 / 2B-3B, 4 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
1434108
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral flute tap used for?

The OSG spiral flute tap is used for threading blind holes in materials like steel and stainless steel. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. It is ideal for general-purpose tapping in machining, automotive, and industrial maintenance applications.

What are the specifications of the OSG 3/4"-16 UNF spiral flute tap?

This OSG tap has a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. The H3 ground thread limit ensures precise fit for 2B-3B class threads. It is designed for blind hole tapping and is made from high-speed steel for durability.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the 1434108 spiral flute tap and deliver to your facility. Contact us for pricing and lead time on this and other OSG tooling.

How to select the correct OSG tap for a blind hole?

For blind holes, choose a spiral flute tap like this OSG 3/4"-16 UNF model, which evacuates chips upward. Ensure the chamfer type matches your hole depth: bottoming chamfer for shallow holes. Match thread class (H3 / 2B-3B) to your application tolerance. Always use proper cutting fluid for material being tapped.

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 general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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