* Stainless Steel Sleeve Aluminium Flexible Coupling: BD Double Layer, BDY single payer.

* Standard: Outside D=25mm, length=30mm. (For other ouside D and length, please specify when ordering)
* Diameter of hollow shaft : Standard hole 4mm, 5mm, 6mm, 8mm, 10mm, 12mm ( Bigger hole size, need to be specified when ordering)
* Body Material:Aluminum Alloy, Sleeve materal:Stainless steel spring (Special bore size and slot available on request)
* BD series flexible coupling can be used for big torque and shaft-jiont. Tighten the slot with screw to hold the shaft.
* Easy to assemble and disassemble.and no damage will be caused to shaft.
* Stainless steel can absorb parallel.angle and end-play misalingnments.zero backlash.no maintenance needed.
* Resistant tooil and cauterization.Stock for different bore size on 2 sides available.