OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-20 UNF, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap (MPN 12500800) is a spiral-point tap for 1/2"-20 UNF threads, featuring H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets your demand for this…
SKU 3G-OTH-287048
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 12500800) is a spiral-point tap for 1/2"-20 UNF threads, featuring H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets your demand for this OEM-specified tool and delivers it with specialist support across 14 industrial departments.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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 pre-drilled hole to accept a helical wire thread insert. It is used in industrial maintenance and production to repair or reinforce stripped threads in metals and plastics, ensuring a durable, reusable threaded connection.
What are the specifications of the OSG STI Tap 12500800?
The OSG STI Tap 12500800 is a spiral-point, plug-chamfer tap with a 1/2"-20 UNF thread, H4 / 2B-3B tolerance, and 3 flutes. It is designed for through-hole tapping and produces threads that accept screw thread inserts. The spiral point pushes chips ahead, reducing clogging.
Where to buy OSG STI Tap 12500800 worldwide?
3G Electric supplies the OSG STI Tap 12500800 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine OSG taps and support for your threading applications across all regions.
How to select the correct STI tap for thread inserts?
Select an STI tap that matches the thread insert's size and pitch, such as 1/2"-20 UNF. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert's class. Use a plug chamfer for through holes and a bottoming chamfer for blind holes. Always verify the tap's flute count and coating for the workpiece material.
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.
