Silicone Straight Wall Caps

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600°F
In Stock

Silicone Straight Wall Caps

Series: SC

High-temp silicone masking caps for powder coating, ecoating, plating & anodizing (600°F)

Engineered to withstand temperatures up to 600°F (315°C), these caps are highly durable, chemical resistant and 100% reusable. Over 85 standard sizes in stock for masking studs, threaded bolts, and tube ends during finishing operations.

Thread Size

2-56, M2, 4-40, M3, 6-32, 6-36, M4, 8-32, 8-36, 10-24, 10-32, M5, M6, ¼-20, 5/16-18, M8, 3/8-16, M10, M12, ½-13, M14, M15, M16, M19, M25

Max Temp

600 °F

Material

silicone

Color

Clear, White, Yellow, Rusty Red, Green, Dark Blue, Light Blue, Purple, Grey, Pink

Standard Sizes (88 options)

Popular Sizes

Technical Specifications

Properties

MaterialSilicone
Temperature RatingUp to 600°F / 315°C
ReusableYes
Sizes Available85+ standard sizes
Typical ApplicationsMasking studs, threaded bolts, and tube ends; powder coating, e-coating, plating, anodizing
Resistance CharacteristicsRubber Material Guide

Application Tips

Sizing as Cap
Choose an ID that is 2% to 5% smaller than the stud or thread diameter. At larger sizes, 0.015"-0.020" smaller is appropriate.
Sizing as Plug
Choose an OD that is 4% to 7% larger than the hole diameter. At larger sizes, 0.015"-0.020" larger is appropriate.
Release Trapped Air
To release trapped air from larger parts when heated for powder coating, pierce a small hole in the cap end.
Versatile Use
Caps can be inverted and used as plugs for straight-walled holes. They can also be trimmed into short tube masks for through-holes.
Custom Solutions

Need a custom plug or cap?

We provide custom masking for powder coating, anodizing, plating and more.

  • EPDM, silicone, FKM, Neoprene & other materials available
  • Capable of handling small & large quantities
  • Single cavity tooling for prototypes or small quantities
  • Multi-cavity production tooling for large quantities
  • Design Engineer on staff to assist with custom masking needs

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