Multiple cutting edges on the tip allow these bits to drill quickly through natural stone granite and other hard abrasive material.
Marble drill bit.
Use 9 32 self centering bit for game pegs like cribbage or creating marble holes.
The drill bit quickly cut all the marble holes at the proper depth.
Masonry drill bits zinmond 10 piece tile drill bits set glass drill bit tungsten carbide material drill bit for brick marble plastic wood mirrors cinder block etc.
The bit needs to be cleaned of debris every three or four holes drilled and this was an easy process of simply tapping the bit at an angle on a peice of scrap wood.
The type of drill bit you use depends on the type of marble you are dealing with as marbles vary in thickness and hardness.
9 32 self centering bit 34368.
Drill bits with flats on shank have three flat sides to prevent the bit from slipping in the drill chuck.
10 self centering bit 69007.
1 8 10 self centering bit is for making holes for cribbage pegs.
If you are wanting to make any type of project requiring marble holes in wood i recommend this bit.
4 3 out of 5 stars 271 15 49 15.
Sunjoyco diamond drill bits 30 pcs glass hole saw drill bit set cutting remover tools for glass porcelain tile ceramic marble granite bottles diy 6mm 50mm 4 1 out of 5 stars 208 18 99 18.