1) Auger 2) Bodkin 3) Borer 4) Bradawl 5) Chisel 6) Corkscrew 7) Dibble 8) Drill 9) Gimlet 10) Gouge 11) Lancet 12) Needle 13) Piercer 14) Probe 15) Punch 16) Puncheon 17) Rimer 18) Scoop 19) Spear 20) Spikebit 21) Stiletto 22) Stylet 23) Terrier 24) Trepan 25) Trocar 26) Warder 27) Wimble 
• (n.) One who, or that which, perforates; esp., a cephalotome.
Per'fo·ra`tor noun [ Confer French perforateur .] One who, or that which, perforates; esp., a cephalotome. 
Type: Term Pronunciation: per′fō-rā′tŏr Definitions: 1. An instrument for making a bony opening through the cranium. Synonyms: trephine1
perforator One who, or that which, perforates or makes holes in something.