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 steel and stainless steel, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance and 4 flutes (MPN 34301301). 3G Electric sources this genuine OSG tool…
SKU 3G-OTH-244300
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 steel and stainless steel, specified as M20x2.5 Metric with a D5 / 4H-6H tolerance and 4 flutes (MPN 34301301). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in combustion, pumps and controls ensuring accurate specification and support.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing where strong, wear-resistant threads are required in ferrous materials.
What are the specifications of the OSG STI Tap M20x2.5?
The OSG STI tap has a metric M20x2.5 thread size with a D5 / 4H-6H tolerance class. It features 4 spiral flutes for efficient chip evacuation and is made for steel and stainless steel. The manufacturer part number is 34301301.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the M20x2.5 spiral-flute tap (MPN 34301301).
How to select the correct OSG STI tap for steel?
Select an OSG STI tap based on thread size, pitch, and material. For steel and stainless steel, use a spiral-flute design like this M20x2.5 tap with D5 / 4H-6H tolerance. Ensure the tap matches the insert manufacturer's recommended hole size and class of fit.
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.
