Many of our storefront systems are impact tested and utilize either our MegaThermÂ®, or ThermaBond PlusÂ® thermal barrier technology to improve performance and enhance occupant comfort. All YKK AP products are manufactured, finished, and inspected for quality in our environmentally certified, state-of-the-art facility in Dublin, GA.
A milliradian, often called a mil or mrad, is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Mils are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left or right).
circular mil. n. A unit of cross-sectional measurement, especially of wire, equal to the area of a circle with a diameter of one mil. circular mil. n. (Units) a unit of area of cross section of wire, equal to the area of a circle whose diameter is one thousandth of an inch.