Ring&Shoe Combined System

Product spec

Casing O.D Max Wall Ring Bit I.D Ring Bit O.D Pilot Bit O.D DTH Hammer Size System Product Code
inch mm inch mm inch mm inch mm inch mm
3.51 89.1 0.22 5.6 2.72 69 4.32 109.8 2.68 68 2" CCH89
4 101.6 0.31 8 2.91 74 4.45 113 2.83 72 2" CCH101
4.5 114.3 0.39 10 3.07 78 4.92 125 3.03 77 3"  CCH114
5 127 0.39 10 3.66 93 5.51 140 3.58 91 3.5" CCH127
5.24 133 0.31 8 3.82 97 5.71 145 3.74 95 4" CCH133
5.5 139.7 0.39 10 4.02 102 5.98 152 3.94 100 4" CCH139
6 152.4 0.39 10 4.29 109 6.5 165 4.21 107 4" ~ 5" CCH152
6.63 168.3 0.35 9 4.8 122 7.01 178 4.72 120 5" CCH168
7 177.8 0.5 12.7 5.08 129 7.44 189 5 127 5" CCH177
7.63 193.7 0.5 12.7 5.84 148.4 8.11 206 5.75 146 6" CCH193
8.63 219.3 0.5 12.7 6.81 173 9.17 233 6.73 171 6" CCH219
8.84 224.5 0.5 12.7 6.85 174 9.29 236 6.77 172 6" ~ 8" CCH224
10 254 0.5 12.7 7.87 200 10.67 271 7.8 198 6" ~ 8" CCH254
10.51 267 0.5 12.7 8.39 213 11.18 284 8.31 211 8 " CCH267
10.75 273 0.5 12.7 8.5 216 11.46 291 8.43 214 8 " CCH273
12.75 323.9 0.56 14.2 10.39 264 13.46 342 10.31 262 8" ~ 12" CCH323
14 355.6 0.5 12.7 11.73 298 14.80 376 11.65 296 10 " ~ 12 " CCH355
16 406.4 0.63 16 13.54 344 16.61 422 13.46 342 10 " ~ 12 " CCH406