Hole Caps

Hole caps serve a critical function in laboratory environments, particularly within sampling machines where maintaining sterile conditions is paramount. These specialized caps work in conjunction with septa, facilitating the puncture by a needle while preserving sample integrity. Our selection includes Wheaton® crimp seal hole caps in various sizes, such as 11mm, 13mm, 20mm, and 30mm, with options for solid tops and center tear-outs. Available in distinct colors like aluminum blue, red, and green, these caps provide both functionality and visibility, ensuring that samples are easily identifiable. Offered in cases of 1000, our aluminum hole caps are unlined, allowing for straightforward sealing and puncturing without compromising the sterility of the samples. Ideal for testing and filling applications, these high-quality hole caps are essential components for any laboratory seeking efficiency and reliability in sample handling.