OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading nickel and titanium. This 3/8"-24 UNF tap features an H3 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31440808).
SKU 3G-OTH-279731
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-point tap designed for threading nickel and titanium. This 3/8"-24 UNF tap features an H3 / 2B-3B tolerance, 3-flute design, and plug chamfer (MPN 31440808).
Frequently Asked Questions
What is an 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 is critical.
What are the specifications of the OSG STI Tap 31440808?
The OSG STI tap has a UNF thread size of 3/8"-24, with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design optimized for nickel and titanium alloys. The manufacturer part number is 31440808.
Where to buy OSG STI Tap 31440808 worldwide?
3G Electric supplies the OSG STI Tap 31440808 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this spiral-point tap for nickel and titanium.
How to select the correct STI tap for thread inserts?
Select an STI tap that matches the insert's thread size and class, such as 3/8"-24 UNF with H3 / 2B-3B tolerance. For nickel and titanium alloys, use a spiral-point design like this OSG tap to manage chip evacuation. Always verify the chamfer type (plug, bottoming, or taper) for your hole depth.
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.
