Hand Drilling, Countersinking & Spotfacing


RB(I) 258 Microstop Cage

Stroke 27mm | 1.06in

Cutter Thread M8 X 1 or 1/4”-28

Arrangement of drill components labeled as Basic Drill Cage, Mounting Base 9081507AW, Mounting Base 9081507F, Nose Piece.
  • High precision microstop cage, body in heat treated chrome steel, fully ground throughout. This ball mounted microstop cage includes two needle bearings for best utilisation.
  • When using the RB 258, any misalignment of the microstop cage is corrected by the unique ball pivoting spindle. This assembly ensures perpendicularity throughout the operation at all time.
  • High precision microstop cage, body in heat treated chrome steel, fully ground throughout. This ball mounted microstop cage includes two needle bearings for best utilisation.
  • 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 lock-nut without damage to the drill cage.
MODEL INPUT STYLE SHANK CUTTER THREAD STROKE VACUUM MOUNTING
BASE STYLE
WINDOW
SIZE
NOSE INSERT
STYLE
DIAMETER
MAX
OVERALL
LENGTH
MAX
OVERALL
LENGTH
MIN
WEIGHT
IN MM MM MM MM MM G
10015500W BALL PIVOT 0.250 6.35 M6 X 1 27 NO TAPPED M19F FOR NOSE LARGE 29 156 141 250
10015500PT BALL PIVOT 0.250 6.35 M6 X 1 27 NO TAPPED M19F FOR NOSE SMALL NYLON 29 156 141 250
10015550W BALL PIVOT 0.250 6.35 1/4"-28 27 NO TAPPED M19F FOR NOSE LARGE 29 156 141 250
10015550 BALL PIVOT 0.250 6.35 1/4"-28 27 NO TAPPED M19F FOR NOSE SMALL NYLON 29 156 141 250