DA180 Collets Lexis DA 180 Collets were originally designed to clamp well on slightly uneven surfaces such as jobbers or taper length type drills. DA Collets are recommended for drilling. RDA Collets / DA180 collets are available in both Metric and Inch sizes. Maximum tightening torque for DA180 collet is 45 ft/lbs. DA Collets also known as RDA Collets Double Angle Collets in the industry. Collet Sizes Lexis DA Collets metric sizes starting from 1mm Dia to 20 mm with 0.5mm incremental and in Inch sizes available from 1/16 to 3/4 Inch. Collet Dimensions Lexis DA Collets dimensions:- A=11.5mm & B=18mm On request we can support DA Collets with High precision collets, Inches sizes, Sealed Collets & Tap Collets. DA180 Collet RDA 180 Collet Double Angle Collet Lexis DA180 Collet DA Coolant Collet DA Sealed Collet