OSG 1/4"-28 UNF Spiral-Point STI Tap for Nickel & Titanium
The OSG Screw Thread Insert STI Tap is a spiral-point tap for nickel and titanium, with a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31440608).
SKU 3G-OTH-279749
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 for nickel and titanium, with a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31440608).
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 inserts, restoring or reinforcing threads in high-strength aerospace, automotive, and industrial components.
What are the specifications of the OSG 1/4"-28 UNF STI Tap?
This OSG tap has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point STI tap for nickel and titanium, with manufacturer part number 31440608. The H3 / 2B-3B designation ensures compatibility with standard insert thread classes.
Where to buy OSG taps worldwide?
3G Electric supplies OSG taps like the 31440608 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver globally without requiring a local distributor.
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 and titanium, choose a spiral-point design with a plug chamfer and H3 / 2B-3B tolerance. Verify the tap matches the insert's thread class to ensure proper fit and thread strength.
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.
