General Tools are used to measure or test the accuracy of components in optical systems for a wide range of applications. General Tools consist of instruments such as screwdrivers, spanner wrenches, angle blocks, or thread gauges designed to inspect the functionality of optical systems. A wide range of General Tools are available for a number of measurement needs.
下面的工具包中提供了一些最常用的 ¼-20 硬件. Delrin® 垫圈 (0.63" OD x 0.25" ID x 0.05" T) 可与 ¼-20 螺丝配合使用，以保护光学组件.
#03-662 1/8" 内六角扳手与 ¼-20 内六角定位螺丝配合使用.