W.M. Berg’s high quality integral seal screws are all of the slotted pan head style. W.M. Berg uses a 300 series stainless steel screw with a silicone O-ring for our integral seal screws. W.M. Berg has a multitude of tap sizes and lengths to fit your needs. The integral seal screws are re-useable, and can be used for most applications unless chemicals are involved in the application. It is also not recommended for marine environments or applications. The stainless steel provides good corrosion resistance, and is non-magnetic. A custom engineered solution can be provided by W.M. Berg to fit your particular needs, including creating integral seal screws from other materials. Often times, applications for integral seal screws include pharmaceutical or food applications.