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High Temp Masking Supply .906' x 1.063' STP5 Silicone Rubber Plugs - 25 Pack

4.4 (2) Write Review
Free shipping on orders over $29.99

$17.95

$ 8 .99 $8.99

In Stock

About this item

  • Bottom diameter: .906" - Top diameter: 1.062" - Length: 1.00"
  • Flexible, durable and reusable.
  • Withstands heat up to 600 degrees Fahrenheit/315 Celsius.
  • Use for powder coating, painting, plating, anodizing, media blasting, etc.
  • Premium quality silicone will not crack, shrink, harden or break.


These high temp silicone rubber plugs are a great fit for the powder coater, custom painter, scientist, handy man, media blaster or anyone who needs premium quality plugs. While most commonly used for masking purposes during finishing, there are hundreds of other uses around the shop, home, lab, classroom, etc. This superior grade of silicone is capable of withstanding temps up to 600 degrees Fahrenheit (315 Celsius) for 20 minutes and holds up to most chemicals. It is ultra tough yet flexible, reusable and will not crack, harden, shrink or break over time. All of our premium silicone goods are color coded for ease of use and the color will never bleed or fade.


Phyllis D
2025-05-29 11:06:29
Plugged my spark plug hole on a Toyota Tundra while plugs were removed. Worked well.
Tom AZ
2024-12-05 19:19:25
But these to cut up for doctoring up custom stops as an insert into plastic arm stops and it worked like a charm.