... flexible shaft coupling (shaft coupling)(shaft connector)(industrial supply) HL flexible shaft couplingE.g.1HL6 flexible cover shaft coupling Main shaftY aperture of shaft,A ... =65mm,L1=142mmE.g.2HL7 flexible cover shaft couplingMain shaftZ aperture of shaft,C key groove, d3=75mm,L1=107mmMinor ... shaftJ aperture of shaft,B key groove d2=70mm,L1=107mmHL7shaft coupling ZC75 ...