5/8"-18 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.) 440388 Available in metric coarse sizes

Available in metric coarse sizes from M6 to M16

• M10 Hex Keys

When your application demands fine pitch control and maximum strength

Available Sizes: A wide range to meet your specific needs

5/8"-18 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.) 440388 Available in metric coarse sizes5 8" 18 L9 Hex Head Cap Screw Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U. S. A.) Our 5 8" 18 L9 Hex Head Cap Screws bring unparalleled strength and reliability to high demand applications. These premium screws are manufactured in the USA from high grade alloy steel, offering an exceptional tensile strength of 180,000 PSI. Ideal for critical projects requiring enhanced durability, these screws meet the toughest standards for secure fastening