5/16 -18x1-1/4 12.9 Alloy Steel Hex Socket Head Cap Screws Bolts Black 40Pcs

Designed with 18G pitch 5/16 inchx1-1/4 inch thread size hex socket head cap in titanium material. Fixing component industrial and construction fasteners. Used widely in the home and office appliance communication equipments ship assembly and other machinery industry.