Rated speed (rpm) : 1300 steel drilling diameter (mm) : 10; Product type: electric hand drill; Drill shaft link thread: 3/8 -24 inch fine thread; Wood drilling diameter (mm) : 25; Rated input power (W) : 450; No load speed, 2 speed (rpm) : -; Power output (W) : 220; Weight (kg) : 1.3; No-load speed, 1 gear (rpm) : 0-2600; Rated torque (Nm) : 1.3; Chuck diameter (mm), min/Max: 1-10; Aluminum drilling diameter (mm) : 10; Maximum torque (Nm) : 6;