Bulk M20 Socket Head Cap Screws – 12.9 Alloy Steel, Black Oxide Head Type_Flat (Countersunk) Upgrade your fastening solutions with

Upgrade your fastening solutions with our premium 5/16-18 Hex Flange Bolts

Quality & Supply: Every production lot meets Monster Bolts’ internal benchmarks for hardness

These screws meet ASME B18

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these connectors combine a heavy-duty tinned copper barrel with adhesive-lined heat shrink tubing for a long-lasting IP67-level seal

Bulk M20 Socket Head Cap Screws – 12.9 Alloy Steel, Black Oxide Head Type_Flat (Countersunk) Upgrade your fastening solutions withMonster Overview: Handle your toughest industrial or structural builds with M20 Socket Head Cap Screws from Monster Bolts. Crafted from Class 12. 9 alloy steel and finished in a thermal black oxide coating, these heavy duty fasteners deliver the highest level of tensile strength and torque reliability. The robust 17 mm hex drive ensures superior tool engagement and precision torque control, even under extreme load conditions. Quality & Supply: Each