What's the good way to connect two Q235 steel bolts? Why?
A good plan, two plates have a drilled hole, connected by bolts, locking nut.
The two scheme should be avoided by 1 reasons, is not easy to locate; 2, the mechanical strength is lower than that of Q235 steel plate bolt, bolt if 8.8 or 10.9 has no significance; 3, time is in low efficiency and tap plate fees, high production cost. Only when the space of the tightening nut is not enough can the connection mode of the steel plate upside screw thread be adopted.
