OSG Thread-Forming STI Tap, 1"-12 UNF, H11 / 2B-3B, Modified Bottoming Chamfer
The OSG Screw Thread Insert STI Tap is a thread-forming tap for 1"-12 UNF threads, with an H11 / 2B-3B tolerance and a modified bottoming chamfer. This tool is designed for forming threads in prepared holes to accept…
SKU 3G-OTH-403946
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 thread-forming tap for 1"-12 UNF threads, with an H11 / 2B-3B tolerance and a modified bottoming chamfer. This tool is designed for forming threads in prepared holes to accept screw thread inserts, and is available as SKU 1626005808 (MPN 1626005808).
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to form internal threads in pre-drilled holes before installing helical wire thread inserts. It is ideal for aerospace, automotive, and general manufacturing applications requiring strong, wear-resistant threads in materials like aluminum and steel.
What are the specifications of the OSG STI Tap 1"-12 UNF?
This OSG STI Tap has a 1"-12 UNF thread size, a thread class of H11 / 2B-3B, and a modified bottoming chamfer. It is a thread-forming tap designed for screw thread inserts, with manufacturer part number 1626005808. The H11 tolerance ensures precise fit for insert installation.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, including this 1"-12 UNF thread-forming tap. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG cutting tools across our 14 industrial departments.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap that matches the insert manufacturer's recommended thread size and class, such as 1"-12 UNF with H11 / 2B-3B tolerance. Use a thread-forming tap for ductile materials to avoid chip problems. Always verify the chamfer type—modified bottoming for blind holes—and tap drill size per OSG guidelines.
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3G Electric supplies OSG thread-forming sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
