Benefits of the double cut (DC) flute include Rapid removal of a broad range of materials combined with excellent operator control. It does this by incorporating a positive cutting rake angle that gives great “bite” into the material and yet,­­­ is not so aggressive that the operator fatigues quickly after using it in a hand piece. The steel shanks are ground, which sets them apart from our competitors, #BURS-220, diameter (D): 1/8, angle (a°): 12°, cutting Height (B): 11/32, shank (D): 1/8, overall length (L): 1-1/2, Type: Solid carbide, Ref: sm-41dc, style: Double cut, BURS-220 Solid Carbide pointed cone Shape 1/8 dia x 11/32 x 1/8 shank double cut SM burr bit for Die-Grinders