OSG Screw Thread Insert STI Tap: Spiral Point, M20x2.5 Metric, D5 / 4H-6H, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance, 3 flutes, and a plug chamfer (MPN 34201308). This tool is designed for…
SKU 3G-OTH-265389
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance, 3 flutes, and a plug chamfer (MPN 34201308). This tool is designed for threading holes to accept screw thread inserts, with the spiral-point geometry aiding chip evacuation in through-hole applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in steel and stainless steel for installing helical wire thread inserts. It is commonly used in aerospace, automotive, and heavy equipment repair where stripped threads must be restored to original strength without replacing the parent component.
What are the specifications of the OSG STI Tap M20x2.5?
This OSG STI Tap has a M20x2.5 metric thread, D5 / 4H-6H tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for through-hole threading in steel and stainless steel. The manufacturer part number is 34201308.
Where to buy OSG STI Tap M20x2.5 worldwide?
3G Electric supplies and delivers the OSG STI Tap M20x2.5 (MPN 34201308) to worldwide destinations. We handle full logistics, customs clearance, and delivery coordination so you receive the correct tap for your thread-repair application, regardless of your location.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread insert's nominal size and pitch — for example, M20x2.5. The tap tolerance (D5 / 4H-6H) must align with the insert manufacturer's recommendation. Always verify the insert's drill size and chamfer type (plug, bottoming, or taper) before tapping.
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.
