Silicone Colored Caps
Silicone masking caps are great for masking off bolts, studs, and tube ends during high-temperature (600F / 315C) coating processes, such as Powder Coating & E-Coating.
A cap's inside diameter (ID) typically needs to be undersized by 0.015" - 0.030" in order to effectively mask a stud, tube, or bolt. You'll want to factor in the length of the cap as well to ensure complete coverage and ease of removal.
Technical Data Sheet
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