OSG Screw Thread Insert STI Tap: Straight Fute, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 12604600) is a general-purpose STI tap with a straight flute design, sized 7/8"-14 UNF. It features an H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer, making it…
SKU 3G-OTH-262136
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 12604600) is a general-purpose STI tap with a straight flute design, sized 7/8"-14 UNF. It features an H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer, making it suitable for threading applications requiring screw thread inserts.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG STI tap cuts internal threads in a pre-drilled hole to accept a helical wire thread insert. It is used in metalworking and maintenance applications to restore or strengthen threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG 12604600 STI Tap?
This OSG STI tap has a 7/8"-14 UNF thread, H4 / 2B-3B tolerance, 4 straight flutes, and a bottoming chamfer. It is designed for general-purpose thread repair and insert installation in industrial equipment.
Where to buy OSG STI Tap 12604600 worldwide?
3G Electric supplies and delivers the OSG 12604600 STI Tap worldwide. We handle full logistics and customs clearance, ensuring the correct tool reaches your facility for thread repair or insert installation.
How to select the correct STI tap for a thread insert?
Match the STI tap's thread size and pitch to the insert's nominal thread (e.g., 7/8"-14 UNF). Use a bottoming chamfer for blind holes and a plug chamfer for through holes. OSG taps are precision-ground for H4 tolerance to ensure proper insert fit.
Used in
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3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
