An Alloy Steel L Key Bolt is a high-strength fastener with a hexagonal socket (driven by an L-shaped Allen wrench) and is made from alloy steel for superior durability, corrosion resistance, and load-bearing capacity, making it ideal for heavy machinery, automotive, and construction, often in grades like 8.8, 10.9, or 12.9, offering excellent performance over standard steel. Note: Also Available Size: M2- M48 LENGTH 5MM TO 300 MM ...