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Key Locking Inserts
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Easy-to-install key locking inserts from Grainger provide a positive mechanical lock against rotation from vibration or torsion. Use these threaded inserts in metal materials for thread reinforcement or for quick repair of stripped, damaged, or worn threads. This selection includes key locking threaded inserts in a wide range of inside and outside dimensions and overall lengths. Choose from two-key and four-key types in 18-8 stainless steel and black phosphate steel. Get high-quality key locking inserts from Grainger.