OSG Screw Thread Insert STI Tap: Spiral Fute, M5x0.8 Metric, D3 / 4H-6H, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes that will accept screw thread inserts. This M5x0.8 Metric tap features a D3 / 4H-6H tolerance class, is made from high-speed…
SKU 3G-OTH-273397
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes that will accept screw thread inserts. This M5x0.8 Metric tap features a D3 / 4H-6H tolerance class, is made from high-speed steel, and has 3 flutes (MPN 10900500).
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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in automotive, aerospace, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI Tap M5x0.8?
This OSG STI Tap has a metric M5x0.8 thread size with a D3 / 4H-6H tolerance class. It features 3 spiral flutes for efficient chip evacuation and is made from high-speed steel. The manufacturer part number is 10900500, and it is designed for use with screw thread inserts.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this M5x0.8 spiral-flute tap.
How to select the correct OSG STI Tap size?
To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert you plan to install. For example, an M5x0.8 tap corresponds to an M5 thread insert. Also verify the tolerance class (D3 / 4H-6H) matches your application requirements for thread fit.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















