OSG Screw Thread Insert STI Tap: Straight Fute, M12x1.75 Metric, D4 / 4H-6H
SKU 3G-OTH-262015
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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 pre-drilled holes to accept helical wire thread inserts. It is used in metalworking and maintenance applications across industries like automotive, aerospace, and general manufacturing to repair or reinforce stripped threads.
What are the specifications of the OSG STI Tap M12x1.75?
This OSG STI Tap has a M12x1.75 metric thread size, D4 / 4H-6H tolerance class, 4 straight flutes, and is designed for general-purpose thread insert installation. The manufacturer part number is 12800900. It is suitable for through-hole or blind-hole applications.
Where to buy OSG STI Tap M12x1.75 worldwide?
3G Electric supplies and delivers the OSG STI Tap M12x1.75 (MPN 12800900) to worldwide locations. As a global industrial solutions provider, we handle full logistics and customs clearance so you receive the correct tap for your thread insert repair or production work.
How to select the correct STI tap size for M12x1.75 inserts?
Select an STI tap marked M12x1.75 with the same thread pitch as the insert. The tap's D4 / 4H-6H tolerance ensures proper fit for standard thread inserts. Always match the tap to the insert manufacturer's recommended drill size and thread class for reliable thread strength.
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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.















