8X13/16 Five Sixteenths Round Spacer Nylon WSAE316 They have a hexagonal shape

They have a hexagonal shape with two flats on opposite sides for easy tightening and loosening with a wrench

B5/16-24 x 5/8 MS90727 is an alloy steel fine cap screw per ASTM A354BD with a zinc yellow DFAR coating

032-inch thickness

With a square pan head and self-drilling tip

8X13/16 Five Sixteenths Round Spacer Nylon WSAE316 They have a hexagonal shapeThe 8X13 16 Five Sixteenths Round Spacer Nylon is a cylindrical spacer made of durable nylon material. It measures 8 inches in length and 13 16 inches in diameter, providing ample space for separating components in various applications. The nylon construction offers excellent electrical insulation, making it suitable for use in electrical assemblies. Its round shape ensures uniform spacing and prevents rotation. The spacer is lightweight, non