OSG Screw Thread Insert STI Tap: Spiral Fute, 5/16"-24 UNF, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for steel and stainless steel, featuring a 5/16"-24 UNF thread size with H2 / 2B-3B tolerance and a bottoming chamfer. This 3-flute tap (MPN 0146601)…
SKU 3G-OTH-244271
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-flute tap designed for steel and stainless steel, featuring a 5/16"-24 UNF thread size with H2 / 2B-3B tolerance and a bottoming chamfer. This 3-flute tap (MPN 0146601) is engineered for threading holes that will accept screw thread inserts, ensuring precise internal threads for industrial applications.
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. The spiral-flute design evacuates chips upward, making it ideal for blind-hole applications in industrial maintenance and production environments.
What are the specifications of the OSG STI Tap 5/16"-24 UNF?
This OSG STI Tap has a 5/16"-24 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is designed for steel and stainless steel. The manufacturer part number is 0146601. These specs ensure proper thread fit for STI inserts in precision work.
Where to buy OSG STI Taps for worldwide delivery?
3G Electric supplies OSG STI Taps like the 5/16"-24 UNF model (0146601) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this spiral-flute tap for steel and stainless steel.
How to select the correct OSG STI Tap for a repair job?
Select an OSG STI Tap by matching the thread size (e.g., 5/16"-24 UNF) and tolerance (H2 / 2B-3B) to the insert you will install. Use a bottoming chamfer for blind holes and spiral flutes for chip evacuation in steel. Always verify material compatibility with the tap coating.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute 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.
