METAL DRILL BIT 4.2MM HSS SUPER DIN338 2PCS

- twist drills, ground from solid - toughness combined with good cutting efficiency - for drilling alloyed carbon and plain steel - precise thanks to state-of-the-art grinding process - keen edge thanks to the optimized point shape - break resistant thanks to CNC heat treatment  - bright surface - Ø 4,20 mm - overall length 75 mm - thread length 43 mm