Product Overview Terox Pins provide a permanent mechanical repair solution for cracks in cast iron and aluminum components. Designed for professional engine rebuilders and machinists, these pins restore structural integrity without welding or heat distortion. Product Specifications Size: Pin has a diameter of 0.234" Material: Steel/AluminumRecommended Taps: HP2ST, HP2BTRecommended Drill Bit: P2DB **Compare to Lock N Stitch C2 \ DO NOT USE WITH ORIGINAL LNS TOOLING** Installation Overview Terox Pins are installed by drilling overlapping holes along the crack line and inserting pins sequentially to mechanically lock the repair together. Once installed, the pins reinforce the casting and distribute stress across the repaired area. Professional installation techniques are recommended for best results.