The invention relates to equipment and a process for manufacturing a burglarproof bolt L-shaped groove, which mainly solve the problems of screw thread damage, low qualification rate of the L-shaped groove and inconvenient operation when processing the L-shaped groove in the prior art, and are characterized in that: a tool (21) mainly comprises a fixed clamp (1), a moveable clamp (3) and a clamping head (2), wherein the tool (21) is arranged on a milling machine (18), and a bolt (17) in the middle of the clamping head (2) is fixedly clamped by a screw thread. The equipment used for manufacturing the burglarproof bolt L-shaped groove has the characteristics of convenient operation, no damage to the screw thread and high qualification rate of manufacturing the L-shaped groove; and the process of the invention can reduce the labor intensity of workers.