OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-16 UNC, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, sized 3/8"-16 UNC. It features an H4 / 2B-3B tolerance, a bottoming chamfer, and 4 flutes (MPN 12600800).
SKU 3G-OTH-262055
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, sized 3/8"-16 UNC. It features an H4 / 2B-3B tolerance, a bottoming chamfer, and 4 flutes (MPN 12600800).
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in a pre-drilled hole to accept a helical coil thread insert. It is used in industrial maintenance and production to repair or reinforce stripped threads in metal components, ensuring a durable, reusable threaded connection.
What are the specifications of the OSG STI Tap 12600800?
The OSG STI Tap 12600800 is a 3/8"-16 UNC tap with a H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for general-purpose thread insert installation. The H4 / 2B-3B designation ensures precise thread fit for standard insert applications.
Where to buy OSG STI Tap 12600800 worldwide?
3G Electric supplies the OSG STI Tap 12600800 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG taps and support procurement across 14 departments, including cutting tools and machining.
How to select the correct STI tap for thread inserts?
Select an STI tap that matches the thread size and pitch of the insert, such as 3/8"-16 UNC. Use a bottoming chamfer for blind holes and a taper chamfer for through holes. The H4 / 2B-3B tolerance ensures compatibility with standard insert classes. Always follow the insert manufacturer's drill size recommendations.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
