OSG Screw Thread Insert STI Tap: Spiral Point, 5/16"-24 UNF, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 30101201, MPN 30101201) is a spiral-point STI tap for steel and stainless steel, with a 5/16"-24 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer…
SKU 3G-OTH-265390
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
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 30101201, MPN 30101201) is a spiral-point STI tap for steel and stainless steel, with a 5/16"-24 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets your demand for this precision threading tool, sourcing it from our global network across 14 industrial departments — with specialist depth in cutting tools and controls — and backs every order with accountable support.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The 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 where strong, wear-resistant threads are required in softer base materials.
What are the specifications of the OSG STI Tap 30101201?
The OSG STI Tap 30101201 has a thread size of 5/16"-24 UNF, a spiral-point design, 3 flutes, and a plug chamfer. It is ground to H2 tolerance for producing 2B-3B class threads. This tap is designed specifically for steel and stainless steel workpieces.
Where to buy the OSG STI Tap 30101201 worldwide?
You can source the OSG STI Tap 30101201 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 on this precision threading tool.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap based on the insert's thread size and pitch, such as 5/16"-24 UNF. Ensure the tap tolerance matches the required thread class (e.g., H2 for 2B-3B). Use a spiral-point design for through-hole applications in steel or stainless steel to improve chip evacuation.
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.
