OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-14 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for 7/16"-14 UNC threads, featuring an H4 / 2B-3B tolerance and a plug chamfer with 3 flutes (MPN 12500200). 3G Electric interprets this demand and sources…
SKU 3G-OTH-287024
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 for 7/16"-14 UNC threads, featuring an H4 / 2B-3B tolerance and a plug chamfer with 3 flutes (MPN 12500200). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution.
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 a pre-drilled hole before installing a helical wire thread insert. It is commonly applied in automotive, aerospace, and general manufacturing to repair or reinforce stripped threads in metal components.
What are the specifications of the OSG STI Tap 12500200?
The OSG STI Tap 12500200 is a spiral-point design with a 7/16"-14 UNC thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is engineered for through-hole tapping and produces threads that accept standard screw thread inserts.
Where to buy OSG STI Tap 12500200 worldwide?
You can source the OSG STI Tap 12500200 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your threading application.
How to select the correct OSG STI Tap for a thread repair?
To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert you plan to use. For example, the 12500200 is for 7/16"-14 UNC inserts. Verify the hole size per OSG recommendations and choose the chamfer type (plug for most applications) based on hole configuration.
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.
