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 1712501) is a #4-40 UNC, H2 / 2B-3B, Plug Chamfer tap with 2 flutes, designed for steel and stainless steel. 3G Electric interprets this demand and sources the…
SKU 3G-OTH-265466
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 1712501) is a #4-40 UNC, H2 / 2B-3B, Plug Chamfer tap with 2 flutes, designed for steel and stainless steel. 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist depth in industrial tooling across 14 departments.
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 steel and stainless steel for installing helical wire thread inserts. It ensures a precise #4-40 UNC thread with a H2 / 2B-3B tolerance, ideal for repairing or reinforcing threaded holes in industrial applications.
What are the specifications of the OSG STI Tap #4-40 UNC?
The OSG STI Tap (MPN 1712501) is a #4-40 UNC spiral-point tap with a plug chamfer, 2 flutes, and a H2 / 2B-3B thread tolerance. It is designed for threading steel and stainless steel to accept screw thread inserts, ensuring reliable thread engagement.
Where to buy OSG STI Taps for steel and stainless steel worldwide?
3G Electric supplies OSG STI Taps like the #4-40 UNC model (MPN 1712501) to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct tap for steel and stainless steel applications without hassle.
How to select the correct OSG STI Tap for thread inserts?
To select the correct OSG STI Tap, match the tap size to the insert's thread specification—here #4-40 UNC with H2 / 2B-3B tolerance. Use a plug chamfer for through holes and ensure the tap is rated for the workpiece material, such as steel or stainless steel, to avoid breakage.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
