OSG M4x0.7 Metric Spiral-Flute STI Tap, D3 / 4H-6H, 3 Flute, High Speed Steel
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading M4x0.7 metric holes to accept screw thread inserts. It features a D3 / 4H-6H tolerance class, 3 flutes, and is made from high-speed…
SKU 3G-OTH-273412
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading M4x0.7 metric holes to accept screw thread inserts. It features a D3 / 4H-6H tolerance class, 3 flutes, and is made from high-speed steel (MPN 10900400).
Frequently Asked Questions
What is an OSG Spiral-Flute STI Tap used for?
An OSG Spiral-Flute STI Tap is used to cut internal threads in pre-drilled holes for screw thread inserts. It is ideal for high-speed production tapping in materials like steel and aluminum, where chip evacuation is critical. The spiral flute design pushes chips forward, reducing clogging and improving thread quality.
What are the specifications of the OSG STI Tap M4x0.7?
The OSG STI Tap has a metric M4x0.7 thread size, a D3 / 4H-6H tolerance class, and 3 flutes. It is made from high-speed steel (HSS) and features a spiral flute design. The manufacturer part number is 10900400. This tap is designed for use with screw thread inserts requiring a 4H-6H fit.
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 times. We supply genuine OSG tooling for manufacturing and maintenance applications globally.
How to select the correct OSG STI Tap for an application?
To select the correct OSG STI Tap, match the thread size (e.g., M4x0.7) and tolerance class (D3 / 4H-6H) to your insert requirements. Consider material hardness and tap flute design—spiral flute for through holes, spiral point for blind holes. Always use proper tapping speed and lubrication for HSS tools to extend tool life.
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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.
