Ideal for masking off holes or studs and surrounding surface for grounding. Their versatile nature allow them to fit over extrusions, threaded studs, PEMS and dowels, as well as be used as a plug for tapped holes, irregular contours and threaded holes. Will withstand 315 Celesius / 600 Farenheit.

Material: Silicone 
Application: Recommended to Mask Threaded and Non-Threaded Holes and Grounding Area

Cone plugs mask threaded and non-threaded holes but can also be used to mask studs. The edge of the cone plug will mask the surrounding area of the hole for grounding purposes. Silicone cone plugs are great to use when powder coating.