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OSG Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H3 / 2B-3B, 3 Flute - Spiral-Point STI Taps for Nickel & Titanium
OSGSpiral-Point STI Taps for Nickel & Titanium

OSG Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31440408) is a #8-32 UNC, H3 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading nickel and titanium.

SKU 3G-OTH-279739

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, #8-32 UNC, H3 / 2B-3B, 3 Flute
Part Number
31440408
Category
Spiral-Point STI Taps for Nickel & Titanium
Available to Order
Also known as:31440408OSG
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Technical Specifications

OSG
Manufacturer Part Number
31440408
Type
#8-32 UNC, H3 / 2B-3B, Plug Chamfer
Flute
3

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31440408) is a #8-32 UNC, H3 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading nickel and titanium.

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap used for?

This OSG spiral-point STI tap is designed for cutting internal threads in nickel and titanium alloys before installing screw thread inserts. It is commonly used in aerospace, automotive, and industrial manufacturing where strong, wear-resistant threads are required in hard materials.

What are the specifications of the OSG STI Tap #8-32 UNC?

The OSG STI tap has a #8-32 UNC thread size with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design optimized for nickel and titanium. The manufacturer part number is 31440408. These specs ensure proper thread fit for STI inserts in demanding materials.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI taps worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the OSG 31440408 tap for your manufacturing needs.

How to select the correct OSG STI tap for nickel alloys?

Select an OSG STI tap with the correct thread size (e.g., #8-32 UNC), H3 / 2B-3B tolerance for insert fit, and a spiral-point design for chip evacuation in nickel alloys. Use a plug chamfer for through-hole threading. Always match the tap to the insert manufacturer's specifications.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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OSG Products

3G Electric supplies OSG spiral-point sti taps for nickel & titanium. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Spiral-point STI tap for cutting internal threads in nickel and titanium alloys prior to installing screw thread inserts. #10-32 UNF thread size, H3 / 2B-3B tolerance, plug chamfer, 3-flute design. Used in applications requiring high-strength, corrosion-resistant threaded holes
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Spiral-point STI tap for threading holes in nickel and titanium alloys prior to installing screw thread inserts. Features a 5/16"-24 UNF thread size, H3 / 2B-3B tolerance, plug chamfer, and 3 flutes. Suitable for applications requiring strong, reliable threads in demanding materials

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