KM™ Tooling Clamping Units
VDI Standard Dimensions
DIN 69880
| D1 | D2 | D3 | L1 | L2 | L3 | L4 | L5 | L6 | H2 | R1 |
| 30,00 | 14,00 | 68,00 | 55,00 | 29,70 | 40,00 | 2,00 | 7,00 | 20,00 | 27,00 | 25,00 |
| 1.181 | 0.551 | 2.677 | 2.165 | 1.169 | 1.575 | 0.079 | 0.276 | 0.787 | 1.063 | 0.984 |
| 40,00 | 14,00 | 83,00 | 63,00 | 29,70 | 40,00 | 3,00 | 7,00 | 20,00 | 36,00 | 32,00 |
| 1.575 | 0.551 | 3.268 | 2.480 | 1.169 | 1.575 | 0.118 | 0.276 | 0.787 | 1.417 | 1.260 |
| 50,00 | 16,00 | 98,00 | 78,00 | 35,70 | 48,00 | 3,00 | 8,00 | 24,00 | 45,00 | 37,00 |
| 1.969 | 0.630 | 3.858 | 3.071 | 1.406 | 1.890 | 0.118 | 0.315 | 0.945 | 1.772 | 1.457 |
| 60,00 | 16,00 | 123,00 | 94,00 | 43,70 | 56,00 | 4,00 | 10,00 | 28,00 | 55,00 | 48,00 |
| 2.362 | 0.630 | 4.843 | 3.701 | 1.720 | 2.205 | 0.157 | 0.394 | 1.102 | 2.165 | 1.890 |
Mounting Details • NCM Square Shank Conversion
KM Toolholder Replacement — Square Shank Toolholder — Style MCLNL shown
Toolholder Replacements • Metric
| KM replacement unit | square shank equivalent | B | B | H | L1 | F | F2 |
| KM32-NCM4040 | 20 x 20 | 20 | 40 | 40 | 45 | 22 | 23 |
| KM32-NCM5040 | 25 x 25 | 25 | 40 | 50 | 45 | 22 | 23 |
| KM40-NCM5044 | 25 x 25 | 25 | 44 | 50 | 40 | 27 | 23 |
| KM40-NCM6444 | 32 x 32 | 32 | 44 | 64 | 40 | 27 | 23 |
| For MCLNR/L holders. KM50-NCM6454 | 32 x 32 | 32 | 54 | 64 | 50 | 35 | 28 |
Toolholder Replacements • Inch
| KM replacement unit | square shank equivalent | B | B | H | L1 | F | F2 |
| KM32-NCM2425 | 3/4 x 3/4 | 3/4 | 1.562 | 1.500 | 1.378 | 0.866 | 0.884 |
| KM32-NCM3225 | 1 x 1 | 1 | 1.562 | 2.000 | 1.378 | 0.866 | 0.884 |
| KM40-NCM3228 | 1 x 1 | 1 | 1.750 | 2.000 | 1.575 | 1.063 | 0.937 |
| KM40-NCM4028 | 1-1/4 x 1-1/4 | 1-1/4 | 1.750 | 2.500 | 1.575 | 1.063 | 0.937 |
| KM50-NCM4034 | 1-1/4 x 1-1/4 | 1-1/4 | 2.125 | 2.500 | 1.969 | 1.378 | 1.122 |
| For MCLNR/L holders. | | | | | | | |
NOTE: F equals the dimension from the centerline of the KM cutting unit over the nose radius of the gage insert. F2 equals the dimension from the back of the clamping unit to the centerline of the KM cutting unit (see column F2 above). The offset is identical with most KM cutting units, except for positive lead angle units and neutral units.
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