OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-18 UNF, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 5/8"-18 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103408). 3G Electric sources this…
SKU 3G-OTH-265358
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 steel and stainless steel, specified as 5/8"-18 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103408). 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist depth in combustion, pumps, and controls ensuring accurate sourcing and support.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads without replacing the parent component.
What are the specifications of the OSG 30103408 STI Tap?
The OSG 30103408 is a spiral-point STI tap with a 5/8"-18 UNF thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will accept screw thread inserts in steel and stainless steel. The spiral-point design pushes chips forward for through-hole applications.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps like the 30103408 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG tap.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread size and pitch of the insert (e.g., 5/8"-18 UNF), the material being tapped (steel or stainless steel), and the required thread class (H4 / 2B-3B). Use a plug chamfer for blind holes or a spiral-point design for through holes to manage chip evacuation.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
