OSG Screw Thread Insert STI Tap: Spiral Point, #4-48 UNF, H2 / 2B-3B, 2 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as #4-48 UNF with H2 / 2B-3B tolerance and a plug chamfer. It features 2 flutes and is identified by manufacturer…
SKU 3G-OTH-265374
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 #4-48 UNF with H2 / 2B-3B tolerance and a plug chamfer. It features 2 flutes and is identified by manufacturer part number 30100208.
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 to repair or reinforce threaded holes without replacing the parent material.
What are the specifications of the OSG STI Tap #4-48 UNF?
This OSG STI Tap has a #4-48 UNF thread size, H2 / 2B-3B tolerance, 2-flute design, and plug chamfer. It is a spiral-point tap for steel and stainless steel, with manufacturer part number 30100208. The H2 limit ensures proper fit for insert installation.
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 #4-48 UNF STI Tap (MPN 30100208).
How to select the correct OSG STI Tap for an application?
Select an OSG STI Tap based on thread size (e.g., #4-48 UNF), material (steel or stainless steel), and tolerance class (H2 / 2B-3B). Use a spiral-point design for through holes and plug chamfer for general threading. Always match the tap to the insert manufacturer's specifications.
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.
