OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-16 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 3/4"-16 UNF tap features an H4 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 30103801).
SKU 3G-OTH-265474
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 3/4"-16 UNF tap features an H4 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 30103801).
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 screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance where strong, wear-resistant threads are required.
What are the specifications of the OSG STI Tap 30103801?
The OSG STI Tap model 30103801 has a thread size of 3/4"-16 UNF, a thread tolerance of H4 / 2B-3B, 3 flutes, and a plug chamfer. It is a spiral-point design for steel and stainless steel, manufactured by OSG.
Where to buy OSG STI Tap 30103801 worldwide?
You can source the OSG STI Tap 30103801 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tap reaches your facility reliably.
How to select the correct OSG STI tap for steel?
Select an OSG STI tap based on thread size, pitch, and material. For steel and stainless steel, use a spiral-point design like the 30103801. Ensure the tap tolerance (e.g., H4 / 2B-3B) matches the required thread class for the insert. Consult OSG's technical data for optimal performance.
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.
