OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading holes to accept screw thread inserts. This 5/16"-18 UNC tap features an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 7014700).
SKU 3G-OTH-287001
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 designed for threading holes to accept screw thread inserts. This 5/16"-18 UNC tap features an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 7014700).
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 metal or plastic for installing helical wire thread inserts. It is commonly applied in automotive, aerospace, and industrial maintenance to repair or reinforce stripped threads without replacing the parent component.
What are the specifications of the OSG 7014700 STI Tap?
The OSG 7014700 is a spiral-point STI tap with thread size 5/16"-18 UNC, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for through-hole threading and produces threads that accept standard screw thread inserts. The spiral-point design pushes chips forward for efficient cutting.
Where to buy OSG STI Taps worldwide?
You can source OSG STI 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 7014700 or other STI tap sizes.
How to select the correct OSG STI Tap for a thread repair?
To select the correct OSG STI Tap, match the tap thread size and pitch to the insert you plan to install. For example, the 7014700 is for 5/16"-18 UNC inserts. Verify the thread class (H3 / 2B-3B) matches your application tolerance. Use a plug chamfer for through holes and a bottoming chamfer for blind holes.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
