MXSTD..-S (slotting) : Straight steel shanks for MAXIRUSH TST & TTB slotting heads
  MXSTD08L070S05-S S05 8.008.0070.00Steel 6859179 0
  MXSTD10L080S06-S S06 10.0010.0080.00Steel 6859197 0
  MXSTD12L090S08-S S08 12.0012.0090.00Steel 6859180 0
  MXSTD16L100S10-S S10 16.0016.00100.00Steel 6859134 0

For MXSTD type shank, it is recommended to use the TTB & TST slotting head
If other heads are used on the MXSTD shank, the depth of cut must be smaller than the max. ap in each head.
The MXSTD type shank does not have external clearance,
so the shank may interfere with the work piece.