Discover the high-quality Grade 10.9 Black Wheel Bearing Bolt designed for Mack, Kenworth, BIRLOS, and American Trailer applications. This durable bolt meets DIN 315 standards and comes in various sizes (M16-24) with phosphate or electrogalvanized surface treatment. Perfect for repairs or replacements, it’s certified by ISO9001, SGS, CTI, and ROHS.