BI-METAL HOLE SAW CODE SIZE 53301 16 MM 53302 19 MM 53303 20 MM 53304 22 MM 53305 25 MM 53306 30 MM 53307 32 MM 53308 35 MM 53309 38 MM 53310 20 MM 53311 51 MM 53312 57 MM 53313 60 MM 53314 64 MM