| ROCK BIT COMPARISON CHART |
| IADC Code | HUGHES | VAREL | SMITH | REED | SECURITY |
| 111 | R1 | L3A
L111 | DSJ | Y11 | S3S
S3SJ
XN1 |
| 114 | X3A
ATX-1
GTX-1
| L114 | SDS | S11 | S33S |
| 115 | ATX-G1
MAX-G1
GTX-G1
MX-1
MAXGT-1 | L115
ETR1G
| MSDSH
MSDSSH
MSDSHOD | S11G
MS11G
EMS11G | S33SG
ERA-1RD
XT1S
XL1N
|
| 116 | J1
ATJ-1
ATM-1
ATJ-1H
GT-1
ATM-1S | L116
| FDS
FDS+
FDSS+ | HP11 | S33SF
PSF
ERAPSF
|
| 117 | ATM-G1
ATM-G1S
ATJ-G1H
GT-G1H
GT-G1
STR-1
STX-1
XLX-1
MX-1 | L117
ETD-1G
| MFDSH
MFDSSH
MFDSHOD
FDS+2
XR+ | MHP11G
PMC
| S33SGF
ERA MPSF
PSF
XS1S
XSC1S
XLX
XLC1
XLC1N |
| 119 | MX3A | | | | MS33S |
| 121 | R2 | L121 | DTJ | Y12 | S3
S3T
S3J |
| 124 | | L124 | SDT | | S33 |
| 125 | | L125
ETD125
ETR2G | | | S33G
SS33G
|
| 126 | J2 | L126
ETD2 | FDT | HP12
EHT12 | S33F |
| 127 | JG2
GT-G1H
GT-G1
STR-1 | L127
EDT2G | | PMC | S33GF
S33TGF
MPSF2
SS33TGF
XS2SC |
| 128 | | | | | S3JD |
| 129 | | | MSDT | | |
| 131 | R3 | LH3G
L131 | DGJ | Y13 | S4
S4T
XN3 |
| 134 | X1G
ATX-3 | L134 | SDG | S13 | S44 |
| 135 | XDG
ATX-G3
XGG
MAX-G3
GTX-G3
MX-3 | L135
ETR3G
ETR3GHS | SDGH
MSDGH
MSDGHOD | S13G
MS13G
EMS13G | S44G
XT3S |
| 136 | J3 | L136 | FDG
| HP13
| S44F |
| 137 | JD3
JG3
ATM-G3
MX-3
| L137 | FDGH
MFDGH
MFDGHOD | HP13G
MHP13G | S44GF
S44F
XS3S
XL3
XL3N |
| 211 | R4 | L211 | V2J | Y21 | M4N
XN4 |
| 214 | XV | L214 | SV | S21 | M44N |
| 215 | XDV | L215 | SVH
MSVH | S21G
MS21G | M44NG
MM44NG
XT4S |
| 216 | J4
ATJ-4 | L216
EDT4 | FV | HP21 | M44NF |
| 217 | JG4
ATJ-G4 | | FVH | HP21G | M44NGF
XS4S
XL4 |
| 221 | WO
DR5 | | | Y22R | M4 |
| 231 | | L231 | | | |
| 234 | | L234 | | | M44L |
| 235 | | L235 | | | |
| 236 | | L236 | | | M44LF |
| 311 | W7C | L1
L311 | L4 | Y31 | H7
H7T
XN5 |
| 313 | | | L4H | | |
| 314 | | L314 | SL4 | | H77 |
| 315 | W7C | L315 | SL4H | S31G | |
| 316 | J7 | L316 | | | |
| 317 | JG7 | | | HP31G | |
| 319 | | | | Y13-RAP | |
| 321 | R7 | L321 | | | |
| 331 | | | | | H7 |
| 335 | | | | | H77SG |
| 337 | | | | | H77SGF |
| 346 | J8 | | | | |
| 347 | JD8
JG8
ATJ-G8 | | | | |
| 415 X | ATX-05
MAX-05
GTX-00
GTX-03
GTX-03H
MX-00
MX-03
| ETR04 | MO1S
MO1SOD
M02S
MO2SOD
02M | EMS41H | SS80
XT02S
XT02DS
XTO4S
XT04DS |
| 417 X | GT-00
GT-03
ATM-05
ATMGT-00
ATMGT-03
H-03
MX-00
MX-03
STR-03
| ETD04 | MF02
O2MF | EHP41H
EHP41A
HP41H
HP41A | S80F
ERA03
ERA03D
XS00S
XS00DS
XS02S
XS02DS
XL02
XL02D
XS04S
XL04
XL04D |
| 417 Y | | | | | XS01S
XS01DS
XS03S
XS03DS
XS05S
XS05DS |
| 425 X | | | MO5
05M
05MD | EMS42H | SS81
ERA07RD
XTO6
XT06DS
XT08S
XT08DS |
| 425 Y | GTX-03C | | | | |
| 427 X | | ETD12
ETD09 | F05
MF05
05MF
05MFD
| | S81F
ERA07D
ERA07
XS06S
XS06DS
XT06D
XS08S
XS08DS
|
| 427 Y | GT09C
H-09C
ATM-05C
STR-05C
H-05C
H-05CB
MX-09C
MX-09CG | ETD13 | F07 | | ERA07C
ERA14C
XS07S
XS07DS
XS09S
XS09DS
|
| 435 X | ATX-11
ATX-11H
MAX-11H
GTX-09
GTX-09H
GTX-11
GTX-11H
MAXGT-09
MX-09
MX-09H | V435
ETR14 | M1S
M1SOD
10M
10MD
12M
12MD
12MY | MS43A
EMS43A | SS82
ERA13RD
XTO8S
XT08DS
XT12S
XT12DS |
| 437 X | ATJ-11
STR-09
STX-09
GT-09
H-09
ATM-11
ATM-11H
MX-09
MX-09G
MX-09H
| ETD13
ETD14 | F1
F10T
MF1
F10D
MF10D
10MF
10MFD
F12T
12MF
12MFD
12MFY
F14T
XR10T
| HP43A
HP43AM
EHP43A
EHP43H | S81F
SS82F
S82F
HZS82F
ERA13
ERA13D
ERA15P
XS10S
XS10DS
XS12S
XS12DS
XT12
XL12DSD
XL12SD |
| 437 Y | STR-09C | | 12MFY | HP43
HP43M
EHP43 | S82CF
ERA13C
XS11S
XS13S
XS13DS |
| 445 X | X11
MAX-GT18
MX-18 | ETR18
| M15S
M15SD
M15SOD
15M
15MD | EMS44H
EMS44A | S82
ERA17RD
XT14S
XT14DS
XT16S
XT16DS |
| 447 X | ATJ11C
GT-18
H-18
ATMGT-18
STR-18
STX-18
H-18H
MX-18
MX-18H
| | F15
F15D
F15OD
MA15
MF15
MF15D
MF15OD
15MF
15MFD
F16
XR15T
| | S82F
S82CF
ERA17
ERA17D
S83F
SS83FD
SS83F
XS14S
XS14DS
XS16S
XS16DS
XSD16DS
XL16
XL16D
XLD16DN |
| 447 Y | H18C
GT-18C
ATM-11C
MX-09CG | ETD447
ETD15 | F17
F12Y | HP44
HP44M
EHP44 | XS15S
XS15DS
XS17S
XS17DS
XL17 |
| 515 X | X22
MAXGT-20
GTX-20
GTX-20G
GTX-20H
MX-20
| V515
ETR24
ETR18 | 2JS
A1JSL
MA1SL
M2S
M2SD
20M
20D | MS51A
EMS15A
EMS51H | S84
SS84
XT18S
XT18DS
XT20S
XT20DS
XL20
XL20D
XT22S
XT22DS |
| 517 X | J22
H-20
GT-20
STR-20
GT-20S
ATMGT-20
ATM-22G
HX-20
MX-20
MX-20G
MX-20H
STX-20 | V517
ETD517
ETD24
ETD-18 | F2
A1
F15H
F2H
F2
MF2
MF2D
20MF
20MFD
F15HT
XR20T | FP51
HP51
HP51AM
HP51X
HP51XM
HP51H
HP51HM
EHP51A
EHP51X
EHP51H | S84F
S84FD
SS84D
SS84F
SS84FD
HZS84F
ERA22D
ERA22R
ERA22
XS18S
XS20S
XS22S
XS18DS
XS20DS
XS22DS
XL20
XL20SD
|
| 517 Y | MX-20C | ETD517C
ETD23
ETD25 | F17 | HP51
EHP51 | ERA18C
ERA22C
S84CF
XS19S
XS21S
XS23S
XS19DS
XS21DS
XS23DS |
| 525 Y | GTX-20C | | M27S
M27SD | S52
S52A | |
| 526 X | | ETD526 | | | |
| 527 X | ATJ-22C
H-28
GT-28
HX-28
MX-28
| V527B
ETD527
ETD27
ETD28 | F25
F26
ERS754 | FP52
HP52A
HP52X | S85F
SS85F
ERA25
XS24S
XS26S
XL26
|
| 527 Y | GT-20C
H-20C
ATM-22C
GT-28C
HX-20C
| ETD527CB
ETD527C
ETD29 | F27
F271
MF27
MF27D
XR20TY | HP52M
HP52 | S85CF
ERA25C
ERA27C
XS25S
XS27S
|
| 532 X | HH33 | | | | |
| 535 X | X33
ATX-33
MX-30H | ETD535
ETR34 | 3JS
M35
M3SOD | MS53A
EMS53A
M53 | S86
SS86
XT28S
XT30S
XT30DS |
| 537 X | J33
ATJ33
H-30
GT-30
ATJ-33
STR-30
ATM-33
GT-35
STX-30
GT-30H
HX-30
MX-30
MX-30G
MX-30H
| V537
ETD537
ETD34
ETD34D
ETD34DD | F3
F27
MF3
MF3D
F3H
MF3H
MF30D
F30
XR30T | FP53
HP53A
HP53AM
EHP53A | S86F
ERA33
ERA33D
SS86F
SS86FD
S86FD
XS28S
XS30S
XS30DS
XL30
XL30D
XS32S
|
| 537 Y | | ETD537C
ETD35 | | HP53
EHP53
HP53JA
| ERA33C
S86CF
ETD537C
XS29S
XS31S
XSD31D
XL31
XL31N
XS33S
XL33N |
| 545 X | | | | | S88
SS88C
XT36S |
| 545 Y | GTX-30C | | | | |
| 547 X | | | F37
F35
F35A | FP54
| S88F
XS34S
XS36S
XS38S
|
| 547 Y | ATJ-33C
ATM-33C
ATJ-35C
ATM-33CG
GT-30C
GTX-30C
STR-30C
STR-35C
STX-30C
H-30C
H-30CG
HR-38C
HR-30C
HR-38CH
MX-35CG | ETD35
ETD35A
ETD39
ETD37 | F37
F37A
F37D
MF37
MF37D
XR30TY
F37H | HP54 | S88FA
S88CF
S88CFH
XS35S
XS37S
XS39S
|
| 612 X | G44 | DW612
DW613 | | | |
| 615 X | ATX-44 | V615
ETD615
ETR44 | 4JS | | M84
XT42 |
| 617 X | ATJ-44
STR-40
ATJ-44G
ATJ-44A
HR-40
STR-40FD
STX-40
STR-40 | V617C
V617
ETD617
ETD43
ETD44
ETD44D
ETD44MS
| F4
F4H
F4A
F45A
F45H
XR40
| EHP61A
HP61A
HP61
| M84F
M84FD
MAF
XS40S
XS42S
XS42DS
XL42
XL42D
XS44S |
| 617 Y | | V617C | F47
F47A | EHP61
HP61 | XS41S
XS43S
XS43D
XSD43D
XT43
XL43N
XTD43D
XS45S |
| 619 X | J44A | | 4GA | | |
| 622 X | | DW622
DW623 | 5JA | | M8JA |
| 622 Y | | | 47JA | | |
| 623 X | HH44 | | 4JA | Y62
Y62B | M8 |
| 625 X | X44
ATX-44C
GTX-40C
| V625
ETD625
ETR48 | 5JS
4JS
47JS | S62
S62A
MS62 | M89
M89T
M88
XT48
XT50D
MM88 |
| 627 X | ATJ-44C
J44 | V627
ETD627
ETD45
ETD48
ETD48MS | F4
F5
F50D
MF5
MF5D | FP62
EHP62A
HP62A
| M88F
M84CF
M85F
M89TF
M85F
M89TFD
XS46S
XS48S
XS48DS
XS50S |
| 627 Y | ATJ-44C
STR-40C
STR-44C
STR-40CG
STX-44C
HR-44C
HR-44CH
MX-40CG
MX-40C
| V627C
ETD47
ETD627C
ETD45 | F47
F47H
F47A
XR40Y
XR40YOD | HP62
EHP62
HP62JA | M84CF
M84CFD
M86CF
XS47S
XS49S
XS49DS
XS51S |
| 628 X | | | F45 | FP62X | |
| 629 X | J55R | | F5
5GA | FP62B
| |
| 632 Y | HH55
G55
| DW632
DW633 | | | |
| 633 X | HH55 | | | Y63 | |
| 635 X | X55
ATX-55 | | | S63
| |
| 637 X | J55
ATJ-55R
ATJ-55RG
ATJ-55RD
ATJ-55A
STR-50
STR-50R
STR-50FDX
STX-50
HR-50
HR-55
HR-50R
HR-50RG
MX-50R
MX-50RG
| DW632
DW639 | F57 | FP63
| M89F
XS52S
XS54S
XS54DS
XS56S
XS58S |
| 637 Y | ATJ-55RG
ATJ-55RD
ATJ-55 | V637
ETD637
ETD55 | F57
F57A
F57D
F57OD
F57DD
XR50Y | HP63
EHP63 | M89F
M89FD
HZM89F
HZMD89FD
XS53S
XS55S
XS55DS
XSD55D
XS57S
XS57S
XSD57D
XS59S |
| 645 X | | | | S64 | |
| 647 X | HR-60
HR-66
STX-60FDX | | | FP64 | |
| 647 Y | ATJ-66 | ETD57 | F67OD | HP64 | M90F
XS61S
XS63S
XS65S
XS67S
XS69S |
| 717 Y | | | | | H83F
XS71S
XS71DS
XS73S
XS75S |
| 723 X | | | | Y72 | |
| 725 X | | | 6JS | S72 | |
| 726 X | | | | FP72 | |
| 727 Y | | V727 | | | |
| 732 Y | HH77
G77 | DW732
DW733 | 7JA | | |
| 733 X | | | | Y73 | |
| 735 Y | RG7X | V735 | 7JS | S73 | H88 |
| 737 X | J77
ATJ-77
STR-70
STR-70FDX
STX-70 | | F7 | FP73
EHP73 | H88F |
| 737 Y | ATJ-77 | V737 | F7
F7OD
MF7 | HP73
EHP73 | H87F
XS77S
XS79S
XS79DS
XS81S |
| 745 X | | | | S74 | H99 |
| 747 X | ATJ-88
HR-80
HR-80 | | | FP74
| H99F |
| 747 Y | ATJ-88 | | | HP74 | H89F
XS83
XS85S
XS87S
XS89S |
| 817 X | | | F80D
F8DD
XR80 | | H99F
|
| 817 Y | | | | | H89F
XS91S
XS91DS
XSD91DS
XS93S |
| 832 Y | G99 | | 9JA | | XS95S
XS97S |
| 833 X | | | | Y83 | H10 |
| 837 X | J99
ATJ-99 | | F9
XR90 | FP83
EHP83
HP83 | H100 |
| 837 Y | ATJ-99
HR-90
HR-99
STX-90
| EDT95 | F9
| EHP83
HP83 | H100F
XS99S |