OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-20 UNF, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for nickel and titanium, specified as 1/2"-20 UNF with H4 / 2B-3B tolerance and a plug chamfer. It features 3 flutes and is identified by manufacturer part…
SKU 3G-OTH-279738
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for nickel and titanium, specified as 1/2"-20 UNF with H4 / 2B-3B tolerance and a plug chamfer. It features 3 flutes and is identified by manufacturer part number 31441008.
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 is commonly used in aerospace, automotive, and heavy equipment manufacturing where high-strength, corrosion-resistant threads are required.
What are the specifications of the OSG 31441008 STI tap?
The OSG 31441008 is a spiral-point STI tap with 1/2"-20 UNF thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is engineered for threading in nickel and titanium alloys, ensuring precise fit for screw thread inserts.
Where to buy OSG STI taps in worldwide?
3G Electric supplies OSG STI taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG 31441008 spiral-point tap.
How to select the correct STI tap for nickel alloys?
Select an STI tap with spiral-point geometry and H4 tolerance for nickel alloys, like the OSG 31441008. Ensure the tap matches the insert's thread size (1/2"-20 UNF) and chamfer type (plug). Use proper cutting fluid and rigid tapping equipment to avoid work hardening.
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.
