as to produce a prepared spinal facet surface having an inner circular recess and a coaxial outer circular recess in preferred embodiments the method further comprises the step of c inserting an implant such as a facet screw into the inner and outer circular recesses of the prepared spinal facet surface generally the implant has a washer having a plurality of circumferentially disposed spikes extending therefrom these spikes correspond to the outer circular recess of the prepared spinal facet surface more specifically the implant spikes have a width the outer circular recess has a width and the width of the spikes is slightly greater than the width of the outer circular recess in this condition the spikes are interference fitted into the recess also preferably the drill bit may further comprise a throughbore located radially inside the inner cutting surfaces in such embodiments the method may further comprise the step of inserting a guide wire into the throughbore the use of a guide wire may provide for highly controlled cutting in some embodiments the drill bit has a drill attachment feature 9 extending from the proximal end portion of the shaft this feature allows the bit 39 s connection to a high.