About Spacers Accurate Machine Screw offers fast delivery of all sizes (Metric & Standard) of stock spacers, custom spacers and other electronic hardware in large, small or prototype lots. We manufacture stock, custom electronic & industrial spacers for manufacturing and other applications which include computers, consumer electronics, aerospace, medical, telecommunication equipment manufacturing and the metal fabricating industries. Off-the-shelf orders are usually filled the same day, custom orders are usually completed in one week or less.