WB-8 1/4" drilling/grinding bit

The easy way to drill precision holes and create fine details while still using your standard size diamond drums. Make 1/4" (6.4 mm) holes with this drilling head. Works right on top of larger diamond drums, no need to change or remove your 1" drum before using. Inland is the only saw and shaper manufacturer that makes their own diamond sanding drums. Because each drum is 100% microscopically inspected, they guarantee your absolute satisfaction. Inland sanding drums fit all machines with a standard motor shaft.