Page 83 - HOLE MAKING CATALOG p185-310

LSCWS LSCWS DEEP DRILLING - BTA SYSTEM

TDO-I (D65.00-171.99) DCONMS DCONWS Outer Tube
Double Tube Drill System
with 4-Start Thread L min Inner Tube
Connection Outer Tubes max

d

L min
max

Designation d Range DCONMS DCONWS LSCWS Int Tube d L min L max
65.00-66.99 56.00 52.00 75.00 TDI-N14 40.00 0.0 660.0
TDO-I14 L=(0-3700)MM 67.00-72.99 62.00 58.00 75.00 TDI-N15 44.00 0.0
TDO-I15 L=(0-2950)MM 660.0

TDO-I16 L=(0-3700)MM 73.00-79.99 68.00 63.00 75.00 TDI-N16 48.00 0.0 630.0

TDO-I17 L=(0-3700)MM 80.00-86.99 75.00 70.00 97.00 TDI-N17 54.00 0.0 630.0

TDO-I18 L=(0-3700)MM 87.00-99.99 82.00 77.00 97.00 TDI-N18 60.00 0.0 630.0

TDO-I19 L=(0-3700)MM 100.00-111.99 94.00 89.00 97.00 TDI-N19 70.00 0.0 630.0

TDO-I20 L=(0-3700)MM 112.00-123.99 106.00 101.00 118.00 TDI-N20 80.00 0.0 630.0

TDO-I21 L=(0-630)MM 124.00-135.99 118.00 113.00 118.00 TDI-N21 80.00 0.0 630.0

TDO-I21 L=(631-1070)MM 124.00-135.99 118.00 113.00 118.00 TDI-N21 80.00 631.0 1070.0

TDO-I22 L=(0-630)MM 136.00-147.99 130.00 125.00 118.00 TDI-N22 90.00 0.0 630.0

TDO-I22 L=(631-1070)MM 136.00-147.99 130.00 125.00 118.00 TDI-N22 90.00 631.0 1070.0

TDO-I23 L=(0-630)MM 148.00-159.99 142.00 137.00 139.00 TDI-N23 100.00 0.0 630.0

TDO-I23 L=(631-1070)MM 148.00-159.99 142.00 137.00 139.00 TDI-N23 100.00 631.0 1070.0

TDO-I24 L=(0-630)MM 160.00-171.99 154.00 149.00 139.00 TDI-N24 120.00 0.0 630.0

TDO-I24 L=(631-1070)MM 160.00-171.99 154.00 149.00 139.00 TDI-N24 120.00 631.0 1070.0

• Indicate overall length (L) when ordering • Ordering example: TDO-I18-L1150 • For 65.00-123.99 diameter range, the inner tube should be 190 mm longer than the outer

tube. • For 124.00-183.99 diameter range, the inner tube should be 220 mm longer than the outer tube.

For tools, see pages: DDC-EC (249) • DDD-EC (211)

Double Tube Universal Marking for Deep Drilling Tools
system

1ST : Single-start thread Tube L
2ST : Double-start thread
4ST : Four-start thread

D I 4ST D.425 d39 L1600 METRIC
D I 4ST D1.673 d1.535 L62.992 INCH

I : Inner Thread Tube ØD Thread Pilot Ød
O : Outer Thread Tube L

Tube ØD

DSLT D32 d30 L1630 METRIC
I D1.260 d1.181 L64.173 INCH
DSLT
II

Inner Tube for Thread Pilot Ød
Double tube system
DCONWS d

DCONMS d D5

LSCWS L min L min
max max

L min
max

267