6 Bolt Couplings

Six bolt couplings are used on six bolt hole gearbox output flanges. Spigots or pilots can be either male or female. Isoflex couplings are configured to the most common flanges. Note: certain couplings need a T bush kit.






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Model Gearbox Flange
Bolt Circle
Diameter (mm)(in)
Gearbox Flange
Bolt Size
Gearbox Flange
Index Ring
Type
Gearbox Flange
Index Ring
Diameter (mm)(in)
Isoflex Coupling
Outside
Diameter (mm)(in)
Isoflex Coupling
Inside
Diameter (mm)(in)
Isoflex Coupling
Thickness (mm)(in)
Heavy Duty (Nm)(ftlb) Medium Duty (Nm)(ftlb) Pleasure Craft (Nm)(ftlb) Data Sheet
IFC-6000-HT98.433.887/16inch7/16inchMM63.52.51505.91501.9731.751.2513509802020146023501700Download
IFC-6000-9598.433.887/16inch7/16inchMM63.52.501505.91501.9731.751.259256821375101315751161Download
IFC-6100-IV120.654.7516mm SHCS1/2MM76.23.001606.3602.3638.11.5305022504575335051753800Download
IFC-6100-HT120.6516mm SHCSM76.21606038.1Download
IFC-6100-95120.654.751/2inch UNC1/2inch UNCMM76.23.001606.3602.3638.11.5305022484575337251753814Download
IFC-6125-95120.654.751/2inch UNC1/2inch UNCFF76.23.001606.3602.3638.11.5305022484575337251753814Download
IFC-6150-HT120.654.7516mm SHCS16mm SHCSMM76.23.001606.3602.3638.11.5Download
IFC-6150-IV120.654.7516mm SHCS16mm SHCSMM76.23.001696.3602.3638.11.5305022504575335051753800Download
IFC-6150-95120.654.75M16 SHCS16mm SHCSMM76.23.001606.3602.3638.11.5305022484575350651753814Download
IFC-6155-HT120.654.7516mm SHCS7/16inchMM76.23.751608.35602.8738.11.5Download
IFC-6155-95120.654.75M16 SHCS7/16inchMM76.23.001606.3602.3638.11.5305022504575335051753800Download
IFC-6300-IV152.46.0016mm SHCS16mm SHCSMM95.253.752128.35732.8738.11.5360026005400390061204430Contact Us
IFC-6300-HT152.46.00M16 SHCS16mm SHCSMM95.253.752128.35732.8738.11.5Contact Us
IFC-6300-95152.46.00M16 SHCS16mm SHCSMM95.253.752128.35732.8738.11.5360022485400409061204636Download
IFC-6400-HT152.46.00M16 SHCS16mm SHCSMM95.253.751957.68732.8738.11.5440032436600486474805513Download
IFC-6400-95152.46.00M16 SHCS16mm SHCSMM95.253.751957.68732.8738.11.5300022114500331751003759Download
IFC-6500-9526010.243/4inch UNC3/4inch UNCMM1706.6933012.99953.7445.01.7789506596134009894Use Medium9894Download
IFC-6600-952058.07M16 SHCS16mm SHCSMM1305.1226010.24953.7438.11.56000582290008733Use Medium8733Download