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3G Electric
OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, 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, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading nickel and titanium. This 3/8"-24 UNF tap features an H3 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31440808).

SKU 3G-OTH-279731

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
Part Number
31440808
Category
Spiral-Point STI Taps for Nickel & Titanium
Available to Order
Also known as:31440808OSG
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Phone
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Technical Specifications

OSG
Manufacturer Part Number
31440808
Type
H3 / 2B-3B, Plug Chamfer
Flute
3
UNF
3/8"-24

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

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading nickel and titanium. This 3/8"-24 UNF tap features an H3 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31440808).

Frequently Asked Questions

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

This OSG spiral-point STI tap is designed for threading holes in nickel and titanium alloys before installing screw thread inserts. It creates precise internal threads that accept STI inserts, commonly used in aerospace, automotive, and high-stress industrial applications where thread strength is critical.

What are the specifications of the OSG STI Tap 31440808?

The OSG STI tap has a UNF thread size of 3/8"-24, with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design optimized for nickel and titanium alloys. The manufacturer part number is 31440808.

Where to buy OSG STI Tap 31440808 worldwide?

3G Electric supplies the OSG STI Tap 31440808 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this spiral-point tap for nickel and titanium.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the insert's thread size and class, such as 3/8"-24 UNF with H3 / 2B-3B tolerance. For nickel and titanium alloys, use a spiral-point design like this OSG tap to manage chip evacuation. Always verify the chamfer type (plug, bottoming, or taper) for your hole depth.

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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