Why are steel dowel pins used when you already have bolts to

pin slotDifference between DDR4 DIMM & SO-DIMM RAM. According to the table above, you can see that DDR4 DIMM RAM contains 288 pin module, and DDR4 SO-DIMMSolution: It is possible to make a pin follow a slot driven with both arcs and sps using a planar joint and a tangential relationship.