OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-14 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading holes that will accept screw thread inserts. This 7/16"-14 UNC tap features an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN…
SKU 3G-OTH-286998
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.
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading holes that will accept screw thread inserts. This 7/16"-14 UNC tap features an H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 12500100).
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 workpiece to accept a helical coil thread insert. It is used in metalworking and manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron, ensuring a durable, reusable threaded hole.
What are the specifications of the OSG STI Tap 12500100?
The OSG STI Tap 12500100 is a spiral-point, plug-chamfer tap with a 7/16"-14 UNC thread, H3 / 2B-3B tolerance, and 3 flutes. It is designed for through-hole threading and produces threads that accept screw thread inserts. 3G Electric supplies this genuine OSG tap worldwide.
Where to buy OSG STI Tap 12500100 worldwide?
3G Electric supplies the genuine OSG STI Tap 12500100 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time; we source and deliver industrial tooling across 14 departments globally.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread size and pitch of the insert you plan to install. For a 7/16"-14 UNC insert, use an OSG STI tap with the same designation. The tap's H3 tolerance ensures proper fit for 2B-3B class threads. Always verify the insert manufacturer's recommended tap drill size.
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.
