Designed to fit common ASAE threads, the SC Series threaded caps protect pipes and tubes against dirt and moisture while providing a positive seal for low pressure applications.
Material
Standard material is low density polyethylene.
Features
- ASAE threads 3/8″-24 to 1-1/16″-12
- Knurled exterior allows for easy on/off application
- Protects against moisture, dirt and dust
Standard Colors
Standard is Red. Other colors available upon request.

Threaded Caps
Part Name | Thread Size (in) | Inside Diameter “A” (in) | Inside Length “B” (in) |
---|---|---|---|
CT-5 | 3/8-24 | 0.380 | 0.470 |
CT-10 | 7/16-20 | 0.443 | 0.470 |
CT-15 | 1/2-20 | 0.505 | 0.470 |
CT-20 | 5/8-18 | 0.630 | 0.813 |
CT-25 | 3/4-16 | 0.755 | 0.570 |
CT-35 | 7/8-14 | 0.880 | 0.680 |
CT-40 | 1-14 | 1.005 | 0.780 |
CT-30 | 3/4 NPT | 1.038 | 0.750 |
CT-45 | 1-1/16-12 | 1.068 | 0.750 |

The Flexible Alternative
While rigid plastic, threaded caps can be the ideal solution for certain applications, when more flexibility is required, consider our line of vinyl Short Caps as an alternative.
- Vinyl caps are easy to install and do not crack, split, or shred over time.
- Vinyl Short Caps can be made in virtually any length with no additional tooling charges.
- Short Caps can be manufactured in wide variety of colors and materials without extensive lead times.