DD-EC eep Double Tube Drills ith External 4-Start hread Connection and artridges (38-184 dia.)LF OAL DC38 -106.99 DCONMS107- 168.99
DesignationDCN(1)DCX(2)OALLFDCONMSTs(3)Tsi(4)
DDD-EC 38.00-39.6038.0039.6090.0085.0033.00TDO-I8TDI-N8
DDD-EC 39.61-43.0039.6143.0091.0085.0036.00TDO-I9TDI-N9
DDD-EC 43.01-47.0043.0147.00101.0095.0039.00TDO-I10TDI-N10
DDD-EC 47.01-51.7047.0151.70102.00100.0043.00TDO-I11TDI-N11
DDD-EC 51.71-56.2051.7156.20107.00100.0047.00TDO-I12TDI-N12
DDD-EC 56.21-65.0056.2165.00119.00110.0051.00TDO-I13TDI-N13
DDD-EC 65.00-66.9965.0066.99159.00150.0052.00TDO-I14TDI-N14
DDD-EC 67.00-72.9967.0072.99159.00150.0058.00TDO-I15TDI-N15
DDD-EC 73.00-79.9973.0079.99160.00150.0063.00TDO-I16TDI-N16
DDD-EC 80.00-86.9980.0086.99191.00180.0070.00TDO-I17TDI-N17
DDD-EC 87.00-99.9987.0099.99193.00180.0077.00TDO-I18TDI-N18
DDD-EC 100.00-106.99100.00106.99193.00180.0089.00TDO-I19TDI-N19
DDD-EC 107.00-111.99107.00111.99197.00180.0089.00TDO-I19TDI-N19
DDD-EC 112.00-123.99112.00123.99221.00205.00101.00TDO-I20TDI-N20
DDD-EC 124.00-135.99124.00135.99222.00205.00113.00TDO-I21TDI-N21
DDD-EC 136.00-147.99136.00147.99223.00205.00125.00TDO-I22TDI-N22
DDD-EC 148.00-159.99148.00159.99245.00225.00137.00TDO-I23TDI-N23
DDD-EC 160.00-168.99160.00168.99246.00225.00149.00TDO-I24TDI-N24
DDD-EC 169.00-171.99169.00171.99246.00225.00149.00TDO-I24TDI-N24
DDD-EC 172.00-183.99172.00183.99247.00225.00161.00TDO-I25TDI-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 page 221
  • For spare parts and insert information, see pages 212-213
  • For user guide and quotation form see pages 279-280, 216-218, 222-226
  • Ordering example: DDD-EC 148.00

(1) Cutting diameter minimum (2) Cutting diameter maximum (3) Outer tube designation (4) Inner tube designation

For inserts, see pages: NPMX 0803 RB/RG (214) TPMX (214)

For holders, see pages: TDO-I (D18.41-65.00) (266) TDO-I (D65.00-171.99) (267)

Universal Marking for Deep Drilling Tools

D- Tool diameter

D

Metric- D80.0

Inch- D3.150 K

d- Pilot diameter Metric- d70 Inch- d2.756 D80.01d70

Tool style D3.150d2.756 K4DT75

K-Cartridge style solid drill[Lot No.]
Thread type
4ST-Four-start thread single tubed

1ST- Single-start thread single tube 4DT- Four-start thread double tube Thread type 75- Tube diameter