DDD-EC :  Deep double tube drills with external 4 start thread connection and cartridges. Each item represents a diameter range. For a specific head diameter, an order form should be filled out.  
 
 
DEEPDRILL   Drilling   COOLANT 
  Designation D
min
D
max

L

d

TsOuter tube designation

TsiInner tube designation
  DDD-EC 38.00-39.60  38.00  39.60  85.00  33.00  TDO-I8  TDI-N8
  DDD-EC 39.61-43.00  39.61  43.00  85.00  36.00  TDO-I9  TDI-N9
  DDD-EC 43.01-47.00  43.01  47.00  95.00  39.00  TDO-I10  TDI-N10
  DDD-EC 47.01-51.70  47.01  51.70  100.00  43.00  TDO-I11  TDI-N11
  DDD-EC 51.71-56.20  51.71  56.20  100.00  47.00  TDO-I12  TDI-N12
  DDD-EC 56.21-65.00  56.21  65.00  110.00  51.00  TDO-I13  TDI-N13
  DDD-EC 65.00-66.99  65.00  66.99  150.00  52.00  TDO-I14  TDI-N14
  DDD-EC 67.00-72.99  67.00  72.99  150.00  58.00  TDO-I15  TDI-N15
  DDD-EC 73.00-79.99  73.00  79.99  150.00  63.00  TDO-I16  TDI-N16
  DDD-EC 80.00-86.99  80.00  86.99  180.00  70.00  TDO-I17  TDI-N17
  DDD-EC 87.00-99.99  87.00  99.99  180.00  77.00  TDO-I18  TDI-N18
  DDD-EC 100.00-106.99  100.00  106.99  180.00  89.00  TDO-I19  TDI-N19
  DDD-EC 107.00-111.99  107.00  111.99  180.00  89.00  TDO-I20  TDI-N20
  DDD-EC 112.00-123.99  112.00  123.99  205.00  101.00  TDO-I21  TDI-N21
  DDD-EC 124.00-135.99  124.00  135.99  205.00  113.00  TDO-I22  TDI-N22
  DDD-EC 136.00-147.99  136.00  147.99  205.00  125.00  TDO-I23  TDI-N23
  DDD-EC 148.00-159.99  148.00  159.99  225.00  137.00  TDO-I24  TDI-N24
  DDD-EC 160.00-168.99  160.00  168.99  225.00  149.00  TDO-I25  TDI-N25

Important: The specified drilling range using the original outer cartridge and pad may be enlarged by using optional outer cartridges and pads as specified on "More Info"
For quotation form and user guide click on "More Info".
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