Recommended for masking holes when hole can be reached from both sides when powder coating. Withstands temperatures to 315 Celsius / 600 Fahrenheit. Material: Silicone. Also available in EPDM

Material: Silicone 
Application: Ideal for Plugging Both Threaded and Non-Threaded Holes

Manufactured to enhance powder-coating, e-coating, plating and anodizing practices these high-temperature heat-resistant silicone pull plugs are specifically built to plug both threaded and unthreaded holes when such holes can be reached from both sides during process. Multiple sizes available.