• 1/2 to 3/4 steel rigid coupling
  • 1/2 to 3/4 steel rigid coupling
  • 1/2 to 3/4 steel rigid coupling
  • 1/2 to 3/4 steel rigid coupling
  • 1/2 to 3/4 steel rigid coupling shown with a caliper. The measurement reads .7285 inches.
  • 1/2 to 3/4 steel rigid coupling shown with a caliper. The measurement reads .4530 inches.
  • 1/2 to 3/4 steel rigid coupling shown with a caliper. The measurement reads 2.6270 inches.
  • 1/2 to 3/4 steel rigid coupling shown with a caliper. The measurement reads 1.7185 inches.
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BuildYourCNC

1/2" to 3/4" - Rigid Coupling Steel

1/2" to 3/4" - Rigid Coupling Steel

$21.00 USD
$21.00 USD
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Title

Generally, the motor shaft with a 1/2" diameter will be inserted in one end, and a shaft, or lead screw measuring 3/4" in diameter will be inserted into the other end or vice versa. The screws that clamp the shafts will be tightened. These steel clamping coupling are for use with high torque motors and high inertia when the motor is changing directions.

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  • HAVE PORTER CABLE 7518 ROUTER ON MY CNC AND WOULD LIKE TO KNOW IF YOUR ER20 COLLET NUT, FOR THE CABLE, WILL FIT ROUTER.

    Yes, our porter cable collets and nuts will fit the porter cable 7518. Additional Information:

  • GREENBULL BRUSH STRIP LENGTH

    The brush strip for a 7518 router specifically for a GreenBull is 18 3/4" inches in length.

  • What is the keyway size? I'm looking for 1/8" width

    The keyway size for the 3/4" end of this coupling is .1745 inches or 4.4mm. On the 1/2" end of the coupling, the keyway size is .1085 inches, or 2.75mm.