1/2" OD X 1/4" Spacers | #10 Hole | Aluminum | Gold Iridite (250/Pkg.) Indented Hex Washer Grounding Head Finish: Zinc-coated with bake-on enamel

Finish: Zinc-coated with bake-on enamel offers corrosion resistance in indoor environments and compatibility with painted surfaces

and improved torque transfer under vibration

Enables creation of internal threads in metal workpieces using manual tapping for 3/8 inch-16 UNC applications

The slotted pan head provides a broad bearing surface and a classic screwdriver drive for secure installation

1/2" OD X 1/4" Spacers | #10 Hole | Aluminum | Gold Iridite (250/Pkg.) Indented Hex Washer Grounding Head Finish: Zinc-coated with bake-on enamelSpecs Material: Aluminum Dimensions: Outer diameter 1 2 inch; thickness 1 4 inch Bore: #10 hole Finish: Gold Iridite Features Fixed spacing accuracy: Maintains precise axial clearance between mating components under dynamic loads and vibration. Lightweight construction: Aluminum reduces mass within assemblies while preserving structural integrity and stiffness. Bore: Sized for standard fasteners with #10 hole, enabling straightforward installation