DTH Deck Bushings

STATIC DECK BUSHINGS

A “static non-rotating” bushing that has no moving parts, with an outer body that allows for replaceable wear sleeves to be interchanged when the inner diameter has worn beyond its useful life. The static deck bushing is not recommended for use in rotary drilling applications. This type of bushing is primarily used in DTH applications where the rotation speed is much lower than in a rotary application.

View Specification Tables

Click on Rig Type for detailed Deck Bushing options

DM45 50 DML DMH DMM DMM2 PIT VIPER 271 275 PIT VIPER 351

Static Deck Bushings Atlas Copco DM45 50 DML

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA41021025412" w/ 2 x Slots305 mm w/ 2 x SlotsOn RequestTBATBA
TBA4.51141025412" w/ 2 x Slots305 mm w/ 2 x SlotsOn RequestTBATBA
TBA51271025412" w/ 2 x Slots305 mm w/ 2 x SlotsOn RequestTBATBA
TBA5.51401025412" w/ 2 x Slots305 mm w/ 2 x SlotsOn RequestTBATBA
TBA6.251591025412" w/ 2 x Slots305 mm w/ 2 x SlotsOn RequestTBATBA
TBA6.51651025412" w/ 2 x Slots305 mm w/ 2 x SlotsOn RequestTBATBA
TBA71781025412" w/ 2 x Slots305 mm w/ 2 x SlotsOn RequestTBATBA

Static Deck Bushings Atlas Copco DMH DMM DMM2

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA5.51401333016" w/ 2 x Slots406 MM w/ 2 x SlotsOn RequestTBATBA
TBA6.251591333016" w/ 2 x Slots406 MM w/ 2 x SlotsOn RequestTBATBA
TBA6.51651333016" w/ 2 x Slots406 MM w/ 2 x SlotsOn RequestTBATBA
TBA71781333016" w/ 2 x Slots406 MM w/ 2 x SlotsOn RequestTBATBA
TBA7.6251941333016" w/ 2 x Slots406 MM w/ 2 x SlotsOn RequestTBATBA
TBA8.6252191333016" w/ 2 x Slots406 MM w/ 2 x SlotsOn RequestTBATBA
TBA9.252351333016" w/ 2 x Slots406 MM w/ 2 x SlotsOn RequestTBATBA

Static Deck Bushings Atlas Copco Pit Viper 271 275

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA717811.2528612" w/ 1 x Slot305 mm w/1 x SlotOn RequestTBATBA
TBA7.62519411.2528612" w/ 1 x Slot305 mm w/1 x SlotOn RequestTBATBA
TBA8.62521911.2528612" w/ 1 x Slot305 mm w/1 x SlotOn RequestTBATBA

Static Deck Bushings Atlas Copco Pit Viper 351

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA8.6252191538115.750" w/ No Slots400 w/ No SlotsOn RequestTBATBA
TBA8.6252191640616.875" w/ No Slots429 w/ No SlotsOn RequestTBATBA
TBA9.252351538115.750" w/ No Slots400 w/ No SlotsOn RequestTBATBA
TBA9.252351640616.875" w/ No Slots429 w/ No SlotsOn RequestTBATBA
TBA10.752731538115.750" w/ No Slots400 w/ No SlotsOn RequestTBATBA
TBA10.752731640616.875" w/ No Slots429 w/ No SlotsOn RequestTBATBA
PH 250XPC PH 285XPC PH 320XPC

Static Deck Bushings Komatsu PH 250XPC

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA71781640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA7.6251941640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA8.6252191640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA9.252351640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA10.752731640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA

Static Deck Bushings Komatsu PH 285XPC

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA71781640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA7.6251941640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA8.6252191640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA9.252351640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA
TBA10.752731640622"/17" w/ 2 x Wings560/435 MM w/ 2 x WingsOn RequestTBATBA

Static Deck Bushings Komatsu PH 320XPC

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA8.6252191743221.65" w/ 2 x Slots550 MM w/ 2 x SlotsOn RequestTBATBA
TBA9.252351743221.65" w/ 2 x Slots550 MM w/ 2 x SlotsOn RequestTBATBA
TBA10.752731743221.65" w/ 2 x Slots550 MM w/ 2 x SlotsOn RequestTBATBA
TBA13.3753401743221.65" w/ 2 x Slots550 MM w/ 2 x SlotsOn RequestTBATBA
D25KS D245S 245KS D45KS 50KS D55SP
D75KS D90KS DR440 DR460 461

Static Deck Bushings Sandvik D25KS

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA4.51141025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA51271025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA

Static Deck Bushings Sandvik D245S D245KS

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA51271025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA5.51401025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA

Static Deck Bushings Sandvik D45KS D50KS

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA4.51141025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA51271025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA5.51401025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA61521025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA6.51651025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA6.6251681025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA71781025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA

Static Deck Bushings Sandvik D55SP

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA6.51651230516" w/ 1 x Flat406 MM w/ 1 x FlatOn RequestTBATBA
TBA6.51651333015.85" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA
TBA71781230516" w/ 1 x Flat406 MM w/ 1 x FlatOn RequestTBATBA
TBA71781333015.85" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA
TBA7.6251941230516" w/ 1 x Flat406 MM w/ 1 x FlatOn RequestTBATBA
TBA7.6251941333015.85" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA

Static Deck Bushings Sandvik D75KS

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA71781333013" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA
TBA7.6251941333013" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA
TBA8.6252191333013" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA

Static Deck Bushings Sandvik D90KS

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA8.6252191640619" w/ 1 x Flat482 MM w/ 1 x FlatOn RequestTBATBA
TBA9.252351640619" w/ 1 x Flat482 MM w/ 1 x FlatOn RequestTBATBA
TBA10.752731640619" w/ 1 x Flat482 MM w/ 1 x FlatOn RequestTBATBA

Static Deck Bushings Sandvik DR440

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA5.51401025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA
TBA71781025414" w/ 1 x Flat356 MM w/ 1 x FlatOn RequestTBATBA

Static Deck Bushings Sandvik DR460 461

Northstar Part NumberDrill Pipe Diameter InchesDrill Pipe Diameter MMOutside Diameter InchesOutside Diameter MMFlange Diameter Inches/ TypeFlange Diameter MM/ TypeSpecial OptionsUnit Weight LBSUnit Weight KG
TBA7.6251941333013" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA
TBA8.6252191333013" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA
TBA9.252351333013" w/ 1 x Flat403 MM w/ 1 x FlatOn RequestTBATBA

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