Bulk 5/8"-18 Grade 8 Hex Cap Screws – Zinc Yellow CR+3, Made in USA – Monster Bolts NSPA and compact assemblies where every

and compact assemblies where every millimeter matters

fast shipping from Florida

5" Thread Size 13 TPI Drive 3/8" Hex Drive Flange Design Built-in washer

Choose the right length and bulk quantity above and click "Add to Cart" to keep your operation supplied with dependable UNF hardware

Type: Self-Drilling Sheet Metal Screw with Bonded EPDM Sealing Washer

Bulk 5/8"-18 Grade 8 Hex Cap Screws – Zinc Yellow CR+3, Made in USA – Monster Bolts NSPA and compact assemblies where everyProduct Overview Achieve high strength, fine thread clamping with Bulk 5 8" 18 Grade 8 Hex Cap Screws in a corrosion resistant zinc yellow CR+3 finish. These Made in USA UNF thread bolts are ideal for automotive assemblies, machinery, industrial equipment, and precision fixtures where tighter adjustment and enhanced vibration resistance are required. Manufactured from alloy steel to meet SAE J429 Grade 8 mechanical properties, these screws deliver