Masking Supplies

The STP100 tapered silicone plug is precision-engineered for masking 1/8" diameter holes and threaded bores during powder coating, e-coat, and liquid paint operations. Rated to 400°F for oven-safe...

The STP100 tapered silicone plug is precision-engineered for masking 1/8" diameter holes and threaded bores during powder coating, e-coat, and liquid paint operations. Rated to 400°F for oven-safe masking throughout the full cure cycle. Key features: Designed specifically for 1/8" diameter holes and boresRated to 400°F - withstands standard powder coat cure temperaturesSeats firmly without adhesive, releases cleanly after cureNo residue, no thread damage on removalTapered body accommodates...

The STP101 tapered silicone plug is designed for masking 3/16" diameter holes and threaded bores during powder coating, e-coat, and anodizing. Rated to 400°F for oven-safe use throughout the cure...

The STP101 tapered silicone plug is designed for masking 3/16" diameter holes and threaded bores during powder coating, e-coat, and anodizing. Rated to 400°F for oven-safe use throughout the cure cycle. Key features: Designed for 3/16" diameter holes and boresRated to 400°F - compatible with standard powder coat cure temperaturesInstalls by hand without adhesive and pops out cleanly after cureTapered body accommodates slight variation in bore diameterKeeps threads and bore surfaces...

The STP101XL is an extended-length version of the STP101 tapered silicone masking plug, designed for deeper holes and recessed bores where the standard-length STP101 cannot achieve a full seal. Key...

The STP101XL is an extended-length version of the STP101 tapered silicone masking plug, designed for deeper holes and recessed bores where the standard-length STP101 cannot achieve a full seal. Key features: Extended body length for deep holes and recessed boresRated to 400°F for powder coating, sandblasting, and anodizingHigh-temp silicone resists oven temperatures without hardening or degrading through repeated cure cyclesInstalls and removes by hand - no tools or adhesive requiredCompatible...

The STP102 is a G-series tapered silicone masking plug with a nominal small-end diameter of approximately 0.250" and a 0.750" body length. Rated to 400°F for powder coating, e-coat, and anodizing...

The STP102 is a G-series tapered silicone masking plug with a nominal small-end diameter of approximately 0.250" and a 0.750" body length. Rated to 400°F for powder coating, e-coat, and anodizing masking. Key features: Nominal small-end diameter: ~0.250" | Body length: 0.750"Rated to 400°F - compatible with standard powder coat cure cyclesFlexible silicone compresses into bores for a snug, leak-free fitReleases cleanly post-cure without residueTapered design accommodates minor diameter...

The STP103 tapered silicone masking plug is rated to 400°F for powder coating, e-coat, and anodizing. Designed to seal holes and threaded bores, keeping critical surfaces coating-free throughout the...

The STP103 tapered silicone masking plug is rated to 400°F for powder coating, e-coat, and anodizing. Designed to seal holes and threaded bores, keeping critical surfaces coating-free throughout the cure cycle. Key features: Rated to 400°F for full powder coat cure compatibilityFlexible high-temp silicone compresses into irregular holes for a tight sealReleases cleanly after the oven cycle - no residue, no damageInstalls and removes by hand - no adhesive requiredReusable for hundreds of...

The STP104 is a high-temperature reusable tapered silicone masking plug rated to 400°F for powder coating, sandblasting, and anodizing. Built for professional powder coat shops that require...

The STP104 is a high-temperature reusable tapered silicone masking plug rated to 400°F for powder coating, sandblasting, and anodizing. Built for professional powder coat shops that require consistent, reliable hole masking across production runs. Key features: Rated to 400°F - withstands repeated standard powder coat cure cyclesHigh-temp silicone maintains flexibility through repeated oven cycles without hardening or crackingTapered profile provides a snug seal in threaded bores and smooth...

The STP105 is a compact, high-temperature tapered silicone masking plug rated to approximately 400°F for powder coating, e-coat, and anodizing. The small profile makes it the right choice for tight...

The STP105 is a compact, high-temperature tapered silicone masking plug rated to approximately 400°F for powder coating, e-coat, and anodizing. The small profile makes it the right choice for tight part geometries where standard-size plugs are too large. Key features: Compact size designed for tight geometries and closely-spaced holesRated to approximately 400°F for oven-safe maskingFlexible silicone installs by hand and releases cleanly without residueAccommodates slight bore diameter...

The STP106 tapered silicone masking plug is a high-temperature reusable plug rated to 400°F for powder coating, e-coat, and anodizing. Designed to seal holes and threaded bores precisely during the...

The STP106 tapered silicone masking plug is a high-temperature reusable plug rated to 400°F for powder coating, e-coat, and anodizing. Designed to seal holes and threaded bores precisely during the coating and cure cycle. Key features: Rated to 400°F - compatible with standard powder coat cure cyclesFlexible silicone compresses into bores for a snug, leak-free sealReleases cleanly after cure - no residue, no damage to threadsInstalls and removes without tools or adhesiveReusable for hundreds...

The STP2 is an R-series tapered silicone masking plug with a nominal body diameter of approximately 0.787". Rated to 400°F for powder coating, e-coat, and anodizing of mid-size holes and threaded...

The STP2 is an R-series tapered silicone masking plug with a nominal body diameter of approximately 0.787". Rated to 400°F for powder coating, e-coat, and anodizing of mid-size holes and threaded ports. Key features: Nominal diameter: ~0.787" | R-series mid-size plugRated to 400°F for standard powder coat cure temperaturesFlexible high-temp silicone accommodates slight diameter variationSeats without adhesive and releases cleanly post-cureReduces the number of plug sizes needed for similar...

The STP3 is an L-series tapered silicone masking plug with a nominal body diameter of approximately 0.938". Designed for masking mid-to-large bore holes and threaded ports during powder coating,...

The STP3 is an L-series tapered silicone masking plug with a nominal body diameter of approximately 0.938". Designed for masking mid-to-large bore holes and threaded ports during powder coating, e-coat, and anodizing. Key features: Nominal diameter: ~0.938" | L-series mid-to-large plugRated to 400°F - compatible with standard powder coat cure cyclesFlexible silicone body accommodates slight diameter variation for a reliable sealSeats by hand without adhesive, releases cleanly after...

The STP5 (STS1063 series) is a large-bore tapered silicone masking plug for powder coating, e-coat, and anodizing applications requiring a larger plug than the STP3 and STP 6.5 can provide. Key...

The STP5 (STS1063 series) is a large-bore tapered silicone masking plug for powder coating, e-coat, and anodizing applications requiring a larger plug than the STP3 and STP 6.5 can provide. Key features: Rated to 400°F for standard powder coat cure temperaturesFlexible silicone body accommodates a range of bore diameters within its size classSeals threaded ports, large holes, and fittings without adhesiveInstalls and removes by handReusable hundreds of cyclesSold in production quantities Built...

The STP7 is a high-temperature tapered silicone masking plug for powder coating, anodizing, and e-coat applications. Built from flexible high-temp silicone rated to 400°F, it provides reliable bore...

The STP7 is a high-temperature tapered silicone masking plug for powder coating, anodizing, and e-coat applications. Built from flexible high-temp silicone rated to 400°F, it provides reliable bore and hole masking throughout the full cure cycle. Key features: Rated to 400°F - compatible with standard powder coat oven temperaturesInstalls into holes and threaded bores by hand - no adhesive requiredReleases cleanly post-cure: no residue, no thread damageFlexible silicone maintains a snug seal...