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6MM D-Bore Single Boss Nub w/Set Screw (am-3443a)

 
Price: $5.50

Stock Status: In Stock
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Product Overview:
The nub is a series of hubs intended to connect motion components to spinning shafts, like sprockets gears, pulleys and wheels. It supports the output shaft of the AndyMark NeveRest motors as well as the other motors on the market. It supports the AndyMark 6mm D shafts for robust motion systems and impeccable torque transfer.

Specifications:
  • Length: 0.625"
  • Height: 0.625"
  • Material: 6105-T5 Aluminum
  • D-Bore: 6mm-D
  • Single Boss Overall Depth: 10mm
  • Set Screw: Holes sized for 10-32 Set Screw (Set Screw Included)

Average Customer Review: 4.5 of 5 Total Reviews: 3 Write your own review!

  0 of 0 people found the following review helpful:
 
October 22, 2017
Reviewer: Louis Fleming from Andrews, TX United States  


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  0 of 0 people found the following review helpful:
 
Like a lot May 4, 2017
Reviewer: Sheila Stegeman from Florissant, MO United States  
Nice and secure fit.

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  0 of 0 people found the following review helpful:
 
So close, yet so far March 17, 2017
Reviewer: Brian Flack from Cary, NC United States  
The nubs are a fantastic concept.  The snug-fitting "D" shape orifice is a great improvement over Tetrix hubs for high-speed/high-torque applications as it prevents slippage and greatly reduces shaft damage.  

However, there is one fundamental issue and a couple other niggles that really detract :
1) ***The nubs are not square.  One face of the nub is square to the orifice, the other face is slightly off.  We replicated this with 4 different nubs on our high-speed shooter assembly.
2) The untapped open corner holes are not nearly as durable as the machined/tapped hubs from other suppliers.
3) The set screw contacts the round of the shaft rather than the flat as other users have noted. If there is shaft marring, we would rather have it on the flat of the shaft.

AndyMark, Please, please, please update this great concept to a precise, machined component with tapped holes and more surface area for solid connection with the flat of the gear, wheel, etc. that it will be mounted to.

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