Fits screw size: #10 Dimensions: .192" ID x .3125" OD x .3125" Note: will create a 5/16" stand off space
#10 x 5/16" Aluminum Spacers are precision engineered aluminum alloy standoffs with a 5/16" outside diameter. Aluminum Spacers are similar to metal washers, but taller. The length of this spacer is 5/16" (for other lengths see Related Products below). These metal spacers have an inside hole diameter to accommodate #10 screws and bolts.
Confusion Screw Size
These did not fit a #10 stainless wood screw that I wanted to use them with. I am not sure what the disconnect was. I drilled them out a little and they worked fine.