OSG M20x2.5 Spiral-Flute STI Tap for Steel & Stainless Steel
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance and 4 flutes (MPN 34301308). 3G Electric interprets this demand and…
SKU 3G-OTH-244364
Local availability & support
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance and 4 flutes (MPN 34301308). 3G Electric interprets this demand and sources the genuine 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 steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and heavy equipment manufacturing where thread repair or reinforcement is required.
What are the specifications of the OSG STI Tap M20x2.5?
This OSG STI Tap has a metric M20x2.5 thread size, D5 / 4H-6H tolerance, 4 spiral flutes, and is designed for steel and stainless steel. The manufacturer part number is 34301308. It is a spiral-flute tap optimized for chip evacuation in blind-hole applications.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine OSG cutting tools with technical support for thread insert tapping applications.
How to select the correct STI tap for thread inserts?
Select an STI tap with the same thread size and pitch as the insert, such as M20x2.5. Use a tap with D5 / 4H-6H tolerance for standard fit. For steel and stainless steel, choose spiral-flute taps like this OSG model to clear chips effectively in blind holes.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute 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.
