SCDR-ACK3 (6.8-20 mm 3xD) :  Solid carbide drilling reamers, straight flute, drilling depth 3xD. Used for drilling/reaming of ferritic materials only (DIN 6537).  
 
 
Drilling   COOLANT 
  Designation
D
d
L
L2
L3
  Grade
  SCDR 068-024-080 ACK3  6.80  8.00  24.0  79.0  34.0 IC908
  SCDR 070-024-080 ACK3  7.00  8.00  24.0  79.0  34.0 IC908
  SCDR 085-035-100 ACK3  8.50  10.00  35.0  89.0  47.0 IC908
  SCDR 090-035-100 ACK3  9.00  10.00  35.0  89.0  47.0 IC908
  SCDR 102-040-120 ACK3  10.20  12.00  40.0  102.0  55.0 IC908
  SCDR 105-040-120 ACK3  10.50  12.00  40.0  102.0  55.0 IC908
  SCDR 110-040-120 ACK3  11.00  12.00  40.0  102.0  55.0 IC908
  SCDR 130-043-140 ACK3  13.00  14.00  43.0  107.0  60.0 IC908
  SCDR 170-051-180 ACK3  17.00  18.00  51.0  123.0  73.0 IC908
  SCDR 180-051-180 ACK3  18.00  18.00  51.0  123.0  73.0 IC908
  SCDR 190-055-200 ACK3  19.00  20.00  55.0  131.0  79.0 IC908

H7 hole tolerance according to DIN 1420.
Rigid and precise clamping adaptation must be used.
Note: Special diameters are available on request.
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