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 31440708) 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-279748
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 31440708) 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 thread insert installation in demanding materials.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for threading holes in nickel and titanium alloys before installing screw thread inserts. It creates precise internal threads that accept STI inserts, commonly used in aerospace, automotive, and high-stress industrial applications where thread strength and reliability are critical.
What are the specifications of the OSG STI Tap 31440708?
The OSG STI tap has a 5/16"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for nickel and titanium. The manufacturer part number is 31440708. These specs ensure compatibility with standard STI inserts for high-strength threading.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI taps like the 31440708 to customers 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 genuine OSG tooling for demanding threading applications.
How to select the correct OSG STI tap for nickel alloys?
Select an OSG STI tap with the same thread size and pitch as the insert you plan to install. For nickel alloys, choose a spiral-point design with H3 tolerance, like the 5/16"-24 UNF model 31440708. Use proper cutting fluid and follow OSG's recommended speeds and feeds to achieve accurate 2B-3B threads.
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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.
