OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/8"-14 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30104301). 3G Electric interprets this…
SKU 3G-OTH-265359
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 for steel and stainless steel, specified as 7/8"-14 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30104301). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise in industrial threading solutions across 14 departments.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance applications where strong, wear-resistant threads are required.
What are the specifications of the OSG STI Tap 30104301?
The OSG STI tap has a UNF thread size of 7/8"-14, with a H4 / 2B-3B tolerance class and a plug chamfer. It features 3 flutes and a spiral-point design for efficient chip evacuation. The manufacturer part number is 30104301.
Where to buy OSG STI Taps worldwide?
You can source the OSG STI Tap MPN 30104301 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your threading application.
How to select the correct OSG STI Tap for steel?
Select an STI tap based on the thread size and pitch required for your insert, such as 7/8"-14 UNF. For steel and stainless steel, choose a spiral-point design with a plug chamfer and H4 tolerance. Always match the tap to the material hardness and thread class specified in your application.
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.
