OSG Screw Thread Insert STI Tap: Spiral Fute, 5/16"-24 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap (MPN 8013700) is a spiral-flute tap for 5/16"-24 UNF threads, featuring an H3 / 2B-3B tolerance class, 3 flutes, and a bottoming chamfer design. 3G Electric interprets demand and…
SKU 3G-OTH-273371
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 (MPN 8013700) is a spiral-flute tap for 5/16"-24 UNF threads, featuring an H3 / 2B-3B tolerance class, 3 flutes, and a bottoming chamfer design. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads for screw thread inserts in metal parts. It is ideal for through-hole applications in automotive, aerospace, and general manufacturing where chip evacuation is critical. The bottoming chamfer allows threading close to the bottom of a blind hole.
What are the specifications of the OSG 8013700 STI tap?
The OSG 8013700 is a spiral-flute STI tap with UNF thread size 5/16"-24, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is designed for threading holes that will accept screw thread inserts. The H3 / 2B-3B designation ensures precise fit for insert installation.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 8013700 STI tap and other cutting tools.
How to select the correct STI tap for a thread insert?
Select an STI tap that matches the insert's thread size and pitch, such as 5/16"-24 UNF. Use a bottoming chamfer for blind holes and a spiral-flute design for through holes to improve chip evacuation. The H3 / 2B-3B tolerance ensures proper fit. OSG taps are a reliable choice for precision threading.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
