M4 x 15mm thread forming

HP 5851-2230 is an M4 x 15 thread-forming screw for servicing compatible scanner equipment. Its Plastite design and T20 drive identify the specific fastener, helping distinguish it from other screws used in repairs.

HP lists it as a replacement screw for the ScanJet Flow N9120 fn2. The distributor listing gives a packing unit of 1, making this a single fastener for a repair or replacement task.