Befenybay 2PCS Rigid Flange Shaft Coupling for 6mm Shaft Pair with M3 Thread
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Each of the six flange holes has a 9-inch distance between center and center. 5mm, details can be found on the product page's dimension drawing.
For the (6) flange holes, the thread pitch is M3-M4-M4-M4-M4-M4-M4-M4-M4-M4-M4
Selected User Reviews For Befenybay 2PCS Rigid Flange Shaft Coupling for 6mm Shaft Pair with M3 Thread
My question about the thread pitch of the flange holes was answered by someone who was kind enough to respond: M3- 5br>Also, the center-to-center distance between the two most opposite flange holes is 19mm. Furthermore, the center-to-center distance between adjacent flange holes is 9mm (12 outer to outer and 6 inner to inner). This is ideal for my project: br>.
I purchased two packs, giving me a total of four pieces. The M3 threads were fine, but three of the four had a center inner diameter of less than 6mm. Two different motors would not fit on a 6mm axel. I had no choice but to turn around. The build quality appeared to be adequate, aside from the fit. It's a pity that the i. was a determining factor.
This was used to finish 3D projects in a homemade drum sander. It was a perfect solution. The product arrived quickly and in excellent condition.
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