OSG Spiral-Point STI Tap for Steel & Stainless Steel
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, with a 5/8"-18 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103301).
SKU 3G-OTH-265445
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, with a 5/8"-18 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103301).
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 screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce threaded holes, ensuring strong, wear-resistant connections.
What are the specifications of the OSG STI Tap 30103301?
The OSG STI Tap 30103301 has a thread size of 5/8"-18 UNF, a spiral-point design, 3 flutes, and a plug chamfer. It is ground to H3 / 2B-3B tolerance for precise thread fit. This tap is designed for threading holes that will accept screw thread inserts in steel and stainless steel.
Where to buy OSG STI Tap 30103301 worldwide?
You can source the OSG STI Tap 30103301 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; we provide reliable sourcing for this and other OSG tooling.
How to select the correct OSG STI tap for a repair job?
To select the correct OSG STI tap, match the thread size and pitch (e.g., 5/8"-18 UNF) to the insert you will install. Use a spiral-point tap for through holes and a spiral-flute tap for blind holes. Verify the tap tolerance (H3 / 2B-3B) matches the required thread class for your application.
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.
