OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12601800) is a general-purpose STI tap for 9/16"-12 UNC threads. It features a bottoming chamfer, 4 flutes, and an H4 / 2B-3B tolerance class. 3G Electric…
SKU 3G-OTH-262007
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 (Straight Flute, MPN 12601800) is a general-purpose STI tap for 9/16"-12 UNC threads. It features a bottoming chamfer, 4 flutes, and an H4 / 2B-3B tolerance class. 3G Electric sources this OEM tool as part of our broader industrial supply capability across 14 departments, with specialist expertise in combustion, pumps, and controls.
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 coil thread insert. It is used in industrial maintenance and production to repair or reinforce stripped threads in metal components, ensuring a durable, reusable threaded connection.
What are the specifications of the OSG STI Tap 12601800?
The OSG STI Tap 12601800 is a 9/16"-12 UNC tap with a H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for general-purpose thread repair and installation of screw thread inserts, providing precise thread fit for industrial applications.
Where to buy OSG STI Tap 12601800 worldwide?
3G Electric supplies the OSG STI Tap 12601800 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time; we source genuine OSG taps for industrial maintenance and production needs globally.
How to select the correct STI tap for thread repair?
Select an STI tap that matches the thread size and pitch of the original hole, such as 9/16"-12 UNC. Use a bottoming chamfer for blind holes and a plug chamfer for through holes. The H4 / 2B-3B tolerance ensures proper fit for the thread insert. Always follow the insert manufacturer's drilling and tapping guidelines.
Used in
Common applications for OSGOSG Products
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.
