
























Hook Thread Stitching Pin, Size 2, HP2
Terox Part Number: HP2A-113
Lock-N-Stitch Part Number: C2FEL
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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/Aluminum
Recommended Taps: HP2ST, HP2BT
Recommended Drill Bit: P2DB
Tensile Strength: ~78000 psi for steel/~20000 psi for aluminum
**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.

