Cleco RC-10015020W RB 257 Microstop Cage, Threaded + Tapped Base Large Window w/ Nylon Nose Piece Product Image May Not Reflect Actual Model. Please Check Technical Specifications For Details.The Cleco RC-10015020W RB 257 Microstop Cage, Threaded + Tapped Base Large Window w/ Nylon Nose Piece is a high precision microstop cage with a body made from heat treated chrome steel, fully ground throughout. This ball mounted microstop cage includes two needle bearings for best utilization. When using the RB 257, any misalignment of the microstop cage is corrected by the unique ball pivoting spindle. This assembly ensures perpendicularity throughout the operation at all time.

Centring cone of the cutter (120°) for perfect concentricity. Microstop depth adjustment (1 scale division = .001”). Microstop depth setting is held securely in place by locknut with seal. This patented feature allows an easy loosening of the locknut without damage to the drill cage.