Hand Drilling, Countersinking & Spotfacing


RB 156 Microstop Cage

Stroke 3.5mm | 0.14in

Cutter Thread M6 x 1

Diagram showing a basic drill cage and different mounting bases with large and small windows, including tapped and offset options. Also features a nose piece. Text labels provide part numbers for each item.
  • Cemented, hardened, and ground chrome-nickel steel spindle mounted on a self-lubricating bronze body and a thrust bearing.
  • Centering cone of the cutter (120°) for perfect concentricity.
  • Microstop depth adjustment (1 scale division = 0.001 in).
  • 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.
MODEL INPUT STYLE SHANK CUTTER THREAD STROKE VACUUM MOUNTING
BASE STYLE
WINDOW
SIZE
NOSE INSERT
STYLE
DIAMETER
MAX
OVERALL
LENGTH
WEIGHT
IN MM MM MM MAX
MM
MIN
MM
G
10000010 FIXED SHANK 0.189 4.8 M6 x 1 3.5 NO TAPPED M19F FOR NOSE SMALL NYLON 25 55 51 75
100000100 FIXED SHANK 0.189 4.8 M6 x 1 3.5 NO OFFSET MOUNTING BASE SMALL NONE 25 55 51 75
10000010W FIXED SHANK 0.189 4.8 M6 x 1 3.5 NO TAPPED M19F FOR NOSE LARGE NYLON 25 55 51 75
100000100 W FIXED SHANK 0.189 4.8 M6 x 1 3.5 NO OFFSET MOUNTING BASE LARGE NONE 25 55 51 75
* High Resolution cages with 0.0001" are available.

Microstop Cage Parts

REFERENCE INDEX QTY DESCRIPTION
90505005 1 1 BODY
90025005 2 1 SPINDLE
93430040 3 1 SPRING
90280005 4 1 THRUST BEARING
90245100 5 18 BALL 2 MM DIA
93440020 6 1 LOCK WASHER
91218110 7 1 PIN
94215005 8 1 VERNIER ASSEMBLY
93430035 9 1 SPRING
90495005 10 1 LOCK NUT
90815170 11B 1 TAPPED MOUNTING BASE
90815170W 11 1 TAPPED MOUNTING BASE LARGE WINDOW
90825005 12 1 NYLON NOSE PIECE
90815175 13B 1 OFFSET MOUNTING BASE
90815175W 13 1 OFFSET MOUNTING BASE LARGE WINDOW

RB156 Large Window Microstop Cage
RB156 Small Window Microstop Cage

Technical Data

Shank: Ø 4.8mm | 0.188in dia Weight: 75 g
Cutter thread: M6 X 1 Overall length maxi: 55mm | 2.16in
Stroke: 3.5mm | 0.14in Overall length mini: 51mm | 2in
Ext. Maxi: Ø 25mm | 1in dia