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Hard Dowdco Style "Model" DSM DSM

Hard Dowdco Style
Actual product may vary from image shown.
Hard Dowdco Style "Model" DSM DSM
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  • Model: DSM
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Manufacturer, Bit Name/Model NumberIADC CodeSize Range (in)Recommended WOD (lb/in diameter)Recommended Rotary Speed (RPM)Special Features/Usage
C23M7134-3/4" X 12-1/4"500-350060-500Round M
DN-302M7134 1/2-4 3/4, 5 1/2-6 1/2300-3500VariableCustom
DN-332M7134 1/2-4 3/4, 5 1/2-6 3/4300-3500VariableCustom
DN-422M7121 3/4, 1 7/8, 2 1/8, 2 1/4, 2 7/16, 3 5/8, 4 1/2, 4 3/4, 6, 6 1/8, 6 1/4, 6 1/2, 6 3/4300-350060-600ADGHMNR
DG-420FM6221-3/4", 1-7/8", 2-1/8", 2-1/4", 2-7/16", 3-5/8", 4-1/2", 4-3/4", 6-1/8", 6-1/4", 6-1/2", 6-3/4"600-350060-600ADGHIMR
DN-303M7134-1/2" - 4-3/4", 5-1/2" - 6-1/2"600-350060-600Custom
DN-333M7134-1/2" - 4-3/4", 5-1/2" - 6-1/2"600-350060-600Custom
DN-423M7221-3/4", 1-7/8", 2-1/8", 2-1/4", 2-7/16", 3-5/8", 4-1/2", 4-3/4", 6-1/8", 6-1/4", 6-1/2", 6-3/4"600-350060-600ADGHMNR
DG-420PGM6221-3/4", 1-7/8", 2-1/8", 2-1/4", 2-7/16", 3-5/8", 4-1/2", 4-3/4", 6-1/8", 6-1/4", 6-1/2", 6-3/4"300-350060-600ADGHIMR
DN-304GM8134-1/2" - 4-3/4", 5-1/2" - 6-1/2"VariableVariableCustom
DN-334GM8134-1/2" - 4-3/4", 5-1/2" - 6-3/4"VariableVariableCustom
DN-424GM8121-3/4", 1-7/8", 2-1/8", 2-1/4", 2-7/16", 3-5/8", 4-1/2", 4-3/4", 6-1/8", 6-1/4", 6-1/2", 6-3/4"300-350060-600ADGHMNR
DN-304PM8134 1/2-4 3/4, 5 1/2-6 1/21000-300060-1000Custom
DN-424PM8123/4", 1-7/8", 2-1/8", 2-1/4", 2-7/16", 3-5/8", 4-1/2", 4-3/4", 6-1/8", 6-1/4", 6-1/2", 6-3/4"1000-300060-1000ADGHMNR
DN405RSPM8123-1/2" - 8-3/4"1000-400060-120Custom
DSMM-8113-7/8" - 12-1/4"200-400060-1200
DT6RM-7133-7/8" - 8-3/4"200-400060-500GHMR
DT6XM-7133-7/8" - 8-3/4"200-400060-500GHMK
SN-54M-8113-7/8" - 12-1/4"200-400080-180GHMR
DM246M8436" - 18-1/2"500-4000500-75MNDIRWUh
TB16M7136-1/2", 8-1/2", 12-1/4", 12-1/2"300-300080-1000MN
TB26M7133-3/4", 3-7/8", 5-7/8", 6", 6-1/8", 6-1/4", 6-1/2", 7-27/32", 8-3/8", 8-1/2", 8-23/32", 9-7/8", 12-1/4", 12-3/16"300-300080-1000MN
TB583M7136-1/8"300-300080-1000MN
TB593M7136", 6-1/8", 6-3/4", 8-1/2"300-300080-1000MN
TBT17M6345-7/8", 8-1/2"300-300080-1000IMN
TT521M6225-7/8" - 12-1/4"300-300080-1000IMN
TT561M6244-1/8" - 12-1/4"300-300080-1000IMN
TT593M7243-1/2", 3-3/4"300-300080-1000IMN
TT521M6223-3/4" - 12-1/4"300-300080-1000IMN
TT561M6244-1/8" - 12-1/4"300-300080-1000IMN
TB16M7136-1/2", 12-1/2"300-300080-1000MN
TBT17M6345-7/8", 8-1/2"300-300080-1000IMN
TBT703M7345-7/8", 6", 8-1/2"300-300080-1000IMN
TT593M7243-1/2", 3-3/4"300-300080-1000IMN
HH152M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH156M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH170M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH172M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH176M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH280M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH336M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH350M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH352M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH354M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH356M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH358M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH370M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH372M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH374M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH376M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH636M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH654M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HH676M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD156M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD172M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD352M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD354M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD356M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD358M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD372M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD376M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD378M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHD652M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHDS335M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHDS372M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHDS658M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHDS678M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS154M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS352M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS358M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS376M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS378M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS654M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS658M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS672M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
HHS676M8413-3/4" - 17-1/2"500-3500500-75MNDIRWUh
S279M8414-3/4" - 12-1/4"500-3500500-75MNDIRWUh
S279PM8414-3/4" - 12-1/4"500-3500500-75MNDIRWUh
S279PXM8414-3/4" - 12-1/4"500-3500500-75MNDIRWUh
S280M8414-3/4" - 12-1/4"500-3500500-75MNDIRWUh
T18M6144-3/4" - 12-1/4"300-3000500-75NR
DDR3030M8436", 6-1/2", 8-1/2", 12-1/4"300-300080-1200MNR Impregnated
DDR3035M8436-1/2"300-300080-1200MNR Impregnated
DDR3039M8436", 6-1/2", 8-1/2", 12-1/4"300-300080-1200MNR Impregnated
DDR3043M8436", 6-1/8", 8-1/2"300-300080-1200MNR Impregnated
DDR3054M8436", 6-1/8"300-300080-1200MNR Impregnated
DDR3539M8385-7/8"300-300080-1200MNR Impregnated
DDR3543M8384-3/4", 5-7/8"300-300080-1200MNR Impregnated
DDR4039M8387-7/8"300-300080-1200MNR Impregnated
DDR4530M8386-1/2"300-300080-1200MNR Impregnated
DDR4535M8386-1/2"300-300080-1200MNR Impregnated
DDR4539M8385-3/4", 6-1/2", 6-3/4", 8-3/8", 8-1/2", 8-5/8", 10-5/8", 14-3/4", 16"300-300080-1200MNR Impregnated
DDR4543M8386-1/2"300-300080-1200MNR Impregnated
DDR4554M8388-1/2"300-300080-1200MNR Impregnated
DDR5539M8436", 8-3/8"300-300080-1200MNR Impregnated
DDR5554M8436"300-300080-1200MNR Impregnated
D66M7134-5/8", 4-3/4"400-400060-2000GMNUhW
D72M7133-7/8", 3-3/4", 5-3/4", 8-1/2", 12-1/4"800-400060-2000GMNKNUhW
DST12M7113-3/4", 4-3/4", 5-7/8", 6", 6-1/8", 6-1/4", 6-1/2", 7-7/8", 8-3/8", 8-1/2", 8-3/4"800-400060-2000GDMNKNUhW
K407M8428-1/2"400-400060-2000GMNUhVW, Impreg
K503M8424-1/8", 5-5/8", 5-3/4", 5-7/8", 6", 6-1/8", 6-1/2", 6-3/4", 7-7/8", 8-3/8", 8-1/2", 8-5/8", 8-3/4", 9", 10-5/8", 12-1/4"400-400060-2000GMNUhVW, Impreg
K505M8423-3/4", 3-7/8", 5-7/8", 6", 6-1/8", 12", 14-3/4"400-400060-2000GMNUhVW, Impreg
K507M8426-1/2", 8-3/8", 8-1/2", 8-3/4", 12-1/4"400-400060-2000GMNUhVW, Impreg
K703M8424-1/2", 4-3/4", 5-3/4", 5-7/8", 6", 6-1/8", 6-1/4", 6-1/2", 6-3/4", 8-3/8", 8-1/2", 8-3/4"400-400060-2000GMNUhVW, Impreg
K705M8426", 6-1/8", 7-1/2", 7-7/8", 8-1/2", 9-7/8", 12-1/4", 14"400-400060-2000GMNUhVW, Impreg
K707M8426", 6-1/2", 8-1/2"400-400060-2000GMNUhVW, Impreg
KH1013M4338-1/2"400-400060-2000GMNUhVW, Impreg
KH6136"400-400060-2000GMNUhVW, Impreg
KH813M4338-1/2", 12-1/4"400-400060-2000GMNUhVW, Impreg
VH813M4336" x 7" - 14-3/4" x 17-1/2"50-300050-400DGHMWV
VN100M6143-1/2" - 17-1/2"400-250050-1000GMIKTR
VN300M7143-1/2" - 17-1/2"400-250050-1000GMIKTR
VN500M8143-1/2" - 17-1/2"400-250050-1000GMIKTR

Manufacturer, Bit Name/Model Number:  DSM

IADC Code: M-811

Size Range (in): 3-7/8" - 12-1/4"

Recommended WOB (lb/in. Diameter): 200-4000

Recommended Rotary Speed (RPM): 60-120

Special Features/Usage: 0

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