OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-24 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31420708) is a spiral-point STI tap for nickel and titanium, sized 5/16"-24 UNF with an H3 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is…
SKU 3G-OTH-279747
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: Spiral Point (MPN 31420708) is a spiral-point STI tap for nickel and titanium, sized 5/16"-24 UNF with an H3 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is designed for threading applications requiring insert installation.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for cutting internal threads in nickel and titanium alloys before installing screw thread inserts. It is commonly used in aerospace, automotive, and high-temperature industrial applications where strong, wear-resistant threads are required in difficult-to-machine materials.
What are the specifications of the OSG 31420708 STI tap?
The OSG 31420708 is a spiral-point STI tap with thread size 5/16"-24 UNF, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is engineered specifically for threading nickel and titanium alloys, ensuring precise thread fit for insert installation.
Where to buy the OSG 31420708 STI tap worldwide?
3G Electric supplies the OSG 31420708 STI tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this precision tap to any country.
How to select the correct OSG STI tap for nickel and titanium?
Select an OSG STI tap with spiral-point geometry and H3 tolerance for nickel and titanium. Verify thread size (e.g., 5/16"-24 UNF) matches the insert. Use a plug chamfer for through holes. Always follow manufacturer feed and speed recommendations to avoid work hardening and tool breakage.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for nickel & titanium. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
