OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-14 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap (MPN 12502300) is a spiral-point tap for 7/8"-14 UNF threads, featuring an H3 / 2B-3B tolerance and a plug chamfer with 3 flutes. 3G Electric interprets demand and delivers this…
SKU 3G-OTH-286997
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 (MPN 12502300) is a spiral-point tap for 7/8"-14 UNF threads, featuring an H3 / 2B-3B tolerance and a plug chamfer with 3 flutes. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in machining and controls as an authorised distributor.
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 workpiece before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads in metal components.
What are the specifications of the OSG STI Tap 7/8"-14 UNF?
This OSG STI Tap has a 7/8"-14 UNF thread size, H3 / 2B-3B tolerance, 3-flute spiral-point design, and plug chamfer. The spiral point pushes chips forward, making it suitable for through-hole threading. Manufacturer part number is 12502300.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine OSG cutting tools like the 7/8"-14 UNF spiral-point tap to industrial buyers across multiple sectors.
How to select the correct OSG STI Tap for thread repair?
Select an OSG STI Tap based on the original thread size and pitch (e.g., 7/8"-14 UNF), the required thread class (H3 / 2B-3B), and whether the hole is through or blind. Spiral-point taps suit through holes; spiral-flute taps suit blind holes. Always match the tap to the insert manufacturer's specifications.
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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.
