EXW Singapore — collect or forward from our Singapore office.

3G Electric
OSG #4-40 UNC Spiral-Point STI Tap for Nickel & Titanium - Spiral-Point STI Taps for Nickel & Titanium
OSGSpiral-Point STI Taps for Nickel & Titanium

OSG #4-40 UNC Spiral-Point STI Tap for Nickel & Titanium

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31440208) is a #4-40 UNC, H2 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading nickel and titanium. 3G Electric interprets your demand for this…

SKU 3G-OTH-279733

Brand
OSG
Item
#4-40 UNC Spiral-Point STI Tap for Nickel & Titanium
Part Number
31440208
Category
Spiral-Point STI Taps for Nickel & Titanium
Available to Order
Also known as:31440208OSG
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
31440208
Type
#4-40 UNC, H2 / 2B-3B, Plug Chamfer
Flute
3

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31440208) is a #4-40 UNC, H2 / 2B-3B, Plug Chamfer tap with 3 flutes, designed for threading nickel and titanium. 3G Electric interprets your demand for this OEM-specified tool, sourcing it across 14 industrial departments with specialist depth in cutting tools and controls.

Frequently Asked Questions

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

An OSG Screw Thread Insert STI Tap is used to cut internal threads in nickel and titanium alloys for installing helical thread inserts. It is essential in aerospace, automotive, and industrial applications where strong, wear-resistant threads are required in hard materials.

What are the specifications of the OSG STI Tap #4-40 UNC?

This OSG STI Tap is #4-40 UNC with a H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for nickel and titanium. The manufacturer part number is 31440208. It is supplied by 3G Electric for global delivery.

Where to buy OSG STI Taps for nickel and titanium worldwide?

You can source OSG STI Taps for nickel and titanium worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this #4-40 UNC spiral-point tap.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread size and pitch of the insert, such as #4-40 UNC. Use a spiral-point design for through holes in nickel or titanium. Ensure the tap tolerance (e.g., H2 / 2B-3B) aligns with the required thread class. 3G Electric can help specify the right tool.

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
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from OSG

View all OSG parts →
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
OSG
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
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
OSG
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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first