Bulk 5/8"-18 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.) Size_1-1/4"-7 Made from medium carbon steel

Made from medium carbon steel

Matching Washers: M16 Flat Washers - Available here

Metric Coarse Thread

Coarse Thread (Standard): M4 to M36

Bulk 5/8"-18 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.) Size_1-1/4"-7 Made from medium carbon steel5 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