FACOM STEPPED DRILL BIT, 4 - 38mm - 229A. 6 - 9 - 13 - 16 - 19 - 21 - 23 - 26 - 29 - 32 - 35 - 38mm. Better shaving removal. Parallel shank with 3 flats for positive rotation. Sizes on drill bit We pride ourselves on before and after sales service.
eBay