STP5 Tapered Silicone Plugs – High-Temp Masking Plugs for Large-Bore Applications

The STP5 is a high-temperature tapered silicone masking plug (STS1063 series) designed for sealing large-bore holes, ports, and threaded cavities during powder coating, sandblasting, and industrial finishing. It uses a self-locking taper for an adhesive-free seal and is fully reusable.

The STP5 is part of the STS1063 series. For exact dimensional specifications, refer to the Creative Coating Solutions product page or contact their team directly. It is sized for large-bore masking applications common in heavy fabrication finishing.

The STP5 silicone plug is rated for continuous high-temperature use up to approximately 400°F (204°C), making it suitable for powder coat cure cycles, industrial paint ovens, and all blast finishing operations.

Yes. The STP5 is a universal large-bore tapered silicone masking plug compatible with all major powder coating ovens, blast cabinets, and industrial finishing equipment. No proprietary adapters are required.

Insert the tapered end of the STP5 into the bore or port to be protected and press firmly by hand. The taper locks without adhesive. After the finishing cycle, remove the plug and inspect for damage before reuse.

The STP5 works with any blast cabinet, powder coat oven, or industrial spray system that requires a large-bore tapered silicone masking plug. It fits standard and heavy-duty production setups regardless of manufacturer.

Purchase at creativecoatingsolutions.com/stp5. Priced at $66.57, the STP5 is in stock and ships promptly. Contact Creative Coating Solutions for bulk pricing or volume discounts.