BOSCH aims to solve that issue with its MS4034 34-Piece Drilling and Driving Mixed Set, featuring 34 drill and drive bits ...

slotted and star heads (used for fastening and securing materials together), three sockets and a socket adaptor (for wrench work), black oxide drill bits, rotary masonry drill bits, brad point ...

The differences between HSS and cobalt drill bits are price and lifespan. Don’t be confused by “titanium” or “black oxide” drill bits. Those materials are coatings ap-plied to HSS ...

In addition, the Black Oxide finish protects the drill bits from rusting and corrosion, ensuring a longer life of service. The spiral tools feature four flutes with super-smooth cutting action for ...