OSG Screw Thread Insert STI Tap: Spiral Fute, M18x2.5 Metric, D5 / 4H-6H
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for multiple materials, specified as M18x2.5 Metric with a D5 / 4H-6H tolerance and 4 flutes (MPN 34501201). 3G Electric interprets this demand and sources…
SKU 3G-OTH-281078
Local availability & support — Singapore
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for multiple materials, specified as M18x2.5 Metric with a D5 / 4H-6H tolerance and 4 flutes (MPN 34501201). 3G Electric interprets this demand and sources the exact OEM part, supporting your threading operations across 14 industrial departments with specialist depth in cutting tools.
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 multiple materials before installing a helical wire thread insert. It is essential in aerospace, automotive, and industrial maintenance for repairing or reinforcing tapped holes in aluminum, steel, and cast iron.
What are the specifications of the OSG STI Tap M18x2.5?
This OSG STI Tap has a metric M18x2.5 thread size, D5 / 4H-6H tolerance, 4 spiral flutes, and a spiral-flute design for chip evacuation. The manufacturer part number is 34501201. It is designed for threading holes that will accept screw thread inserts.
Where to buy OSG STI Tap M18x2.5 worldwide?
You can source the OSG STI Tap M18x2.5 (MPN 34501201) from 3G Electric, which handles global logistics, customs clearance, and delivery to worldwide destinations. As a supplier across 14 industrial departments, we provide genuine OSG taps for demanding threading applications.
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, such as M18x2.5. The tap tolerance (e.g., D5 / 4H-6H) must align with the insert manufacturer's recommendation. Always verify the drill diameter for the tapped hole before threading to ensure proper insert fit.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
