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Unthreaded fasteners are available in both inch and metric measurements. These fasteners are typically used to provide spacing or stacking for circuit boards or paneling, and they are often installed over the top of screws. Spacers can be stacked if necessary to cover longer screws.

Since unthreaded fasteners are not threaded themselves and are placed over the screw, there is no torque involved in their application. This means that the spacer can spin or twist freely without impacting the functionality or integrity of the application in which they are used. Their primary purpose is to maintain the desired distance or separation between components, ensuring proper alignment and spacing without the need for threaded engagement.

SPR_ACDN_Unthreaded
Unit of Measure
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Item #

Item Name

Thread

Material

Length

Finish

O.D.

Inner Diameter

SPR50011540D N/A SPR50011540D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.25 N/A Zinc N/A 5/16 N/A 0.115
SPR50011542D N/A SPR50011542D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.313 N/A Zinc N/A 5/16 N/A 0.115
SPR50011544D N/A SPR50011544D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.375 N/A Zinc N/A 5/16 N/A 0.115
SPR50011546D N/A SPR50011546D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.438 N/A Zinc N/A 5/16 N/A 0.115
SPR50011548D N/A SPR50011548D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.5 N/A Zinc N/A 5/16 N/A 0.115
SPR50011550D N/A SPR50011550D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.563 N/A Zinc N/A 5/16 N/A 0.115
SPR50011552D N/A SPR50011552D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.625 N/A Zinc N/A 5/16 N/A 0.115
SPR50011554D N/A SPR50011554D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.688 N/A Zinc N/A 5/16 N/A 0.115
SPR50011556D N/A SPR50011556D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.75 N/A Zinc N/A 5/16 N/A 0.115
SPR50011558D N/A SPR50011558D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.813 N/A Zinc N/A 5/16 N/A 0.115
SPR50011560D N/A SPR50011560D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.875 N/A Zinc N/A 5/16 N/A 0.115
SPR50011562D N/A SPR50011562D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 1.938 N/A Zinc N/A 5/16 N/A 0.115
SPR50011564D N/A SPR50011564D - #4 Round Unthreaded Spacers N/A N/A Low Carbon Steel N/A 2 N/A Zinc N/A 5/16 N/A 0.115
SPR40014003A N/A SPR40014003A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.094 N/A None N/A 1/4 N/A 0.14
SPR40014004A N/A SPR40014004A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.125 N/A None N/A 1/4 N/A 0.14
SPR40014005A N/A SPR40014005A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.156 N/A None N/A 1/4 N/A 0.14
SPR40014006A N/A SPR40014006A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.188 N/A None N/A 1/4 N/A 0.14
SPR40014007A N/A SPR40014007A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.219 N/A None N/A 1/4 N/A 0.14
SPR40014008A N/A SPR40014008A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.25 N/A None N/A 1/4 N/A 0.14
SPR40014009A N/A SPR40014009A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.281 N/A None N/A 1/4 N/A 0.14
SPR40014010A N/A SPR40014010A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.313 N/A None N/A 1/4 N/A 0.14
SPR40014011A N/A SPR40014011A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.344 N/A None N/A 1/4 N/A 0.14
SPR40014012A N/A SPR40014012A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.375 N/A None N/A 1/4 N/A 0.14
SPR40014013A N/A SPR40014013A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.406 N/A None N/A 1/4 N/A 0.14
SPR40014014A N/A SPR40014014A - #6 Round Unthreaded Spacers N/A N/A Aluminum N/A 0.438 N/A None N/A 1/4 N/A 0.14
Unit of Measure
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