OSG Screw Thread Insert STI Tap: Spiral Point, #4-40 UNC, H2 / 2B-3B, 2 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 1824000) is a #4-40 UNC, H2 / 2B-3B, Plug Chamfer tap with 2 flutes. 3G Electric sources this genuine OSG threading tool for industrial machining applications…
SKU 3G-OTH-287028
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 1824000) is a #4-40 UNC, H2 / 2B-3B, Plug Chamfer tap with 2 flutes. 3G Electric sources this genuine OSG threading tool for industrial machining applications, backed by our specialist expertise across 14 departments including cutting tools and electrical 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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG #4-40 UNC STI Tap?
The OSG STI Tap (MPN 1824000) is a spiral-point, plug-chamfer tap for #4-40 UNC threads. It has 2 flutes and a thread tolerance of H2 / 2B-3B. The spiral-point design pushes chips forward, making it suitable for through-hole tapping in production environments.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG #4-40 UNC STI Tap (MPN 1824000).
How to select the correct OSG STI Tap for thread inserts?
To select the correct OSG STI Tap, match the tap size and thread pitch to the insert manufacturer's specifications. For a #4-40 UNC insert, use a plug-chamfer STI tap with H2 tolerance. Ensure the tap drill size matches the insert's recommended hole diameter for proper thread engagement.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
