ProTek R/C Aluminum Ball Stud Washers (.5mm, 1mm & 2.0mm)

The ProTek R/C Aluminum Ball Stud Washer Set includes 3×5.5mm Blue or Black anodized aluminum washers in the following thicknesses: 0.5mm, 1.0mm and 2.0mm. There are four washers included for each thickness, equaling twelve washers total.

These aluminum washers are an essential upgrade over their plastic counterparts because they won’t tweak or flatten under pressure. This makes them great for precisely adjusting the height of your ball studs when adjusting your roll center, adjusting your wheelbase and much more.

Shop for ProTek R/C Ball Stud Washers Here: Ball Stud Washers

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  • Anodized Blue or Black Aluminum
  • Won’t tweak or flatten
  • Fits 4-40 and M3 ball studs
  • Three sizes included
  • Also available in Black Anodize (PTK-8370)


  • (4) 3×5.5×0.5mm
  • (4) 3×5.5×1.0mm
  • (4) 3×5.5×2.0mm


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