SDT Drill Tubes
D
DT
803
L01600
T1
Tube Type
Connection Size
Tube Length
Threads
Description Code Description Code
Description
Code
Description
Code
Description
Code
Single Tube
S
Drill Tube
DT
Sandvik Ref. # (Female 4-start thread) Sunnen BTA Style # (Male 1-start thread)
803 Length in Metric (##### mm)
L##### Threaded One End
T1
Double Tube (Ejector)
D
03M
Threaded Both Ends
T2
SPECIAL
S##
Flange Special
FL
S## S01, S02, S03, S…
NOTES: Sandvik 794 - 798; 2-Start thread
Sandvik 821-825; inner tube 220mm longer than outer tube Sandvik Double tubes 814 and larger ,threads on both ends, no inner tube flange
Sandvik 800 - 813; inner tube 30mm longer than outer tube Sandvik 814 - 820; inner tube 190mm longer than outer tube
STS Drill Tube (threaded one end)
Sunnen #
Sandvik Ref.
Connection Size Tube OD (mm)
Tube ID (mm)
Tube OD (in)
Tube ID (in)
SDT-794-L#####-T1
420.5-794-L####
794
11.0
7.0
0.433
0.276
SDT-795-L#####-T1
420.5-795-L####
795
12.0
8.0
0.472
0.315
SDT-796-L#####-T1
420.5-796-L####
796
13.0
8.5
0.512
0.335
SDT-797-L#####-T1
420.5-797-L####
797
14.0
9.0
0.551
0.354
SDT-798-L#####-T1
420.5-798-L####
798
15.0
10.0
0.591
0.394
SDT-799-L#####-T1
420.5-799-L####
799
16.0
10.5
0.630
0.413
SDT-800-L#####-T1
420.5-800-L####
800
17.0
11.5
0.669
0.453
SDT-801-L#####-T1
420.5-801-L####
801
18.0
12.0
0.709
0.472
SDT-802-L#####-T1
420.5-802-L####
802
20.0
13.0
0.787
0.512
SDT-803-L#####-T1
420.5-803-L####
803
22.0
14.0
0.866
0.551
SDT-804-L#####-T1
420.5-804-L####
804
24.0
15.5
0.945
0.610
SDT-805-L#####-T1
420.5-805-L####
805
26.0
17.0
1.024
0.669
SDT-806-L#####-T1
420.5-806-L####
806
28.0
18.5
1.102
0.728
SDT-807-L#####-T1
420.5-807-L####
807
30.0
20.0
1.181
0.787
SDT-808-L#####-T1
420.5-808-L####
808
33.0
23.0
1.299
0.906
SDT-809-L#####-T1
420.5-809-L####
809
36.0
25.5
1.417
0.984
SDT-810-L#####-T1
420.5-810-L####
810
39.0
28.0
1.535
1.102
SDT-811-L#####-T1
420.5-811-L####
811
43.0
31.0
1.693
1.220
SDT-812-L#####-T1
420.5-812-L####
812
47.0
35.0
1.850
1.378
SDT-813-L#####-T1
420.5-813-L####
813
51.0
39.0
2.008
1.535
SDT-813E-L#####-T1
420.5-813E-L####
813E
56.0
39.0
2.205
1.614
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