OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H4 / 2B, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading holes to accept screw thread inserts. This specific model is a 1"-12 UNF tap with an H4 / 2B tolerance, 4 flutes, and a plug chamfer…
SKU 3G-OTH-287008
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading holes to accept screw thread inserts. This specific model is a 1"-12 UNF tap with an H4 / 2B tolerance, 4 flutes, and a plug chamfer (MPN 12502700). 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist expertise in cutting tools and precision threading solutions.
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 metal or plastic that accept screw thread inserts (STI). It is ideal for repairing or reinforcing threads in automotive, aerospace, and industrial applications where a stronger thread is needed.
What are the specifications of the OSG STI Tap 12502700?
The OSG STI Tap 12502700 is a spiral-point tap with a 1"-12 UNF thread, H4 / 2B tolerance, 4 flutes, and a plug chamfer. It is designed for through-hole threading and efficiently pushes chips forward, reducing clogging in production environments.
Where to buy the OSG STI Tap 12502700 worldwide?
You can source the OSG STI Tap 12502700 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your maintenance or production needs.
How to select the correct OSG STI tap for a repair job?
To select the correct OSG STI tap, match the thread size and pitch (e.g., 1"-12 UNF) to the insert you will install. Use a plug chamfer for through holes and a bottoming chamfer for blind holes. The H4 / 2B tolerance ensures proper fit for standard inserts.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
