OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 UNF, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading steel and stainless steel. This 7/16"-20 UNF tap features an H4 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 30102108). 3G…
SKU 3G-OTH-265406
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 steel and stainless steel. This 7/16"-20 UNF tap features an H4 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 30102108). 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 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 screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads, ensuring strong, reusable connections.
What are the specifications of the OSG STI Tap 30102108?
The OSG STI Tap 30102108 is a spiral-point tap with a 7/16"-20 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 manufacturer part number is 30102108.
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 30102108 or other OSG threading tools.
How to select the correct OSG STI Tap for an application?
To select the correct OSG STI Tap, match the tap thread size and pitch to the insert's requirements. For steel or stainless steel, use a spiral-point tap like the 7/16"-20 UNF H4 / 2B-3B. Ensure the chamfer type (plug) and flute count suit the material and hole depth. Consult OSG's technical data for guidance.
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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.
