OSG Screw Thread Insert STI Tap: Spiral Fute, M20x2.5 Metric, D5 / 4H-6H
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for multiple materials, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance class and 4 flutes (MPN 34501301). 3G Electric interprets this demand and…
SKU 3G-OTH-281137
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for multiple materials, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance class and 4 flutes (MPN 34501301). 3G Electric interprets this demand and sources the genuine OSG tool, supporting your threading operations across 14 industrial departments with specialist depth in combustion, pumps and controls.
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 multiple materials to accept helical wire thread inserts. It is commonly used in automotive, aerospace, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.
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 a manufacturer part number 34501301. It is designed for tapping holes that will receive screw thread inserts in multiple materials.
Where to buy OSG STI Tap M20x2.5 worldwide?
3G Electric supplies and delivers the OSG STI Tap M20x2.5 (MPN 34501301) worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this precision threading tool.
How to select the correct STI tap size for thread inserts?
Select an STI tap that matches the thread insert's nominal size and pitch, such as M20x2.5. The tap tolerance (e.g., D5 / 4H-6H) must align with the insert manufacturer's recommendation. Always verify the insert's drill size and tap specifications before ordering.
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.
