With the Facom 285.F2 tapered drill bit, you drill broken bolts and studs cleanly and accurately. Featuring a 4 mm nominal diameter and a total length of 63 mm, it creates the exact tapered hole required for the Facom 285.5 stud puller. This matching profile ensures the extractor seats firmly with maximum grip inside the damaged fastener, preventing slips and protecting internal threads. It provides a dependable, controlled way to remove seized or sheared studs during maintenance, overhaul, and workshop repairs.