Bulk 5/8-18 Socket Head Cap Screws – Fine Thread (UNF), 18-8 Stainless – Monster Bolts Length:100 QTY - 5/8"-18 x 2-1/2" (PT) Precision-machined from high-strength ASTM A574

Precision-machined from high-strength ASTM A574 Alloy Steel and finished with a thermal black oxide + oil coating

These heavy-duty fasteners are made from premium alloy steel and finished with a thermal black oxide coating that offers mild corrosion protection and a sleek

and a professional black finish that performs in precision mechanical

9 alloy steel for heavy-duty mechanical and industrial use

Their fine-thread design provides improved tensile strength and secure clamping in precision assemblies

Bulk 5/8-18 Socket Head Cap Screws – Fine Thread (UNF), 18-8 Stainless – Monster Bolts Length:100 QTY - 5/8"-18 x 2-1/2" (PT) Precision-machined from high-strength ASTM A574Monster Overview: Fix your project right the first time with Bulk 5 8 18 Socket Head Cap Screws in 18 8 stainless steel. These UNF fine thread fasteners deliver smooth engagement, precise preload, and excellent corrosion resistance, making them perfect for automotive, marine, and industrial applications that demand precision and durability. Monster Features: Thread: 5 8 18 UNF (Fine Thread) for secure, vibration resistant fastening. Material: 18 8