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Symmetrix STD System

Symmetrix STD Photo
Symmetrix STD Drawing

 

SYSTEM
SIZE

CASING OD
(inch)

CASING
Wall Max
(inch)

Ring Bit ID
(inch)

Ring Bit OD
(inch)

Pilot Bit OD
(inch)

DTH
Hammer
71
4.00
0.22
2.84
4.25
3.51
  
72
3.50
0.13
2.84
3.94
3.17
  
82
4.50
0.24
3.25
4.92
3.98
3"
90
4.50
0.20
3.57
5.04
4.03
3"
98
5.50
0.39
3.89
5.79
4.57
4"
105
5.75
0.31
4.17
5.98
5.04
4"
115
5.50
0.20
4.57
5.94
5.04
4"
126
6.63
0.39
4.98
7.01
5.76
5"
135
6.63
0.22
5.33
7.24
6.08
5"
140
6.63
0.22
5.54
7.24
6.12
5"
142
7.00
0.31
5.57
7.52
6.30
5" - 6"
151
7.63
0.43
5.93
8.07
6.65
6"
155
7.63
0.35
6.14
8.07
6.84
6"
165
7.63
0.24
6.57
8.27
7.09
6"
170
8.63
0.50
6.69
9.13
7.52
6"
185
8.63
0.24
7.32
9.21
8.07
6"
190
8.63
0.20
7.56
9.29
8.11
6"
212
10.00
0.31
8.39
10.55
9.29
8"
218
10.75
0.50
8.61
11.22
9.69
8"
231
10.75
0.31
9.13
11.30
10.04
8"
274
12.75
0.50
10.83
13.35
11.67
8" - 12"
281
12.75
0.31
11.06
13.43
12.03
8" - 12"
300
14.00
0.50
11.73
14.53
12.87
10" - 12"
354
16.00
0.50
13.93
16.54
14.88
10" - 12"
396
18.00
0.50
15.59
18.58
16.93
12" - 16"
445
20.00
0.50
17.52
20.55
18.86
12" - 18"
545
24.00
0.50
21.47
24.49
22.83
16" - 20"
640
28.00
0.59
25.20
28.54
26.65
16" - 20"
738
32.00
0.59
29.06
32.60
30.63
18" - 24"
838
36.00
0.59
32.95
36.61
34.57
20" - 30"

 

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