Specifies a range of shapes and sizes including dimensional details, for heads of steel and tungsten carbide dental burs used in straight, angle and friction dental handpieces. Also includes a new internationally agreed numbering system using a figure indicating the nominal head size in mm/10.
- You cannot add another "BS 168:1923" to your cart. View cart

BS 4178-2:1972
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for dental rotary instruments-Shapes and sizes of heads of dental burs
BSI Group , 03/20/1972


