ISO standards of dental burs

borgigi

®

Dental burs.

1.Shapes of cutting head 

Click on picture to enlarge.

2. Shaft diameter and length

Turbine or Friction Grip (FG) Type

These burs are for high speed rotation. It has shaft diameter of always 1.6mm and has a free end. The ISO number defines the length of each bur. 

Angle or Right Angle (RA) Type

These burs are used for medium speed rotation contra-angle handpieces. it has shaft diameter of always 2.35 mm and has a notch at the end. The ISO number defines the length of each bur.

Hand Part or Hand Piece (HP) Type

These burs are commonly used with handpieces both in clinics and laboratories. It has shaft diameter of always 2.35 mm and has a free end. The ISO number defines the length of each bur.

3. Cutting Head Material 

Tungsten Carbide - ISO 500

Its working part consists of alloy. (We do not manufacture this type of cutting head)

Diamond - ISO 806

By means of electroplated technology, the diamond powder is hereby plated to the shaft according to the shapes and the grit sizes. 

4. Grit Size 

The colours below are painted in the neck of the bur. 

544

Black, super-coarse.           Grit size 180 μm.

534

Green, coarse.                     Grit size 150 μm.

524

Blue, medium.                     Grit size 106 μm.

514

Red, fine.                              Grit size   63 μm.

504

Yellow, super-fine.              Grit size   40 μm.

494

White, ultra-fine.                 Grit size  14 μm.

5. Diameter of head 

Measured in 1/10 mm (eg. for 0.5 mm, code: 005; for 4.2 mm, code: 042).

PRODUCT SAMPLE

HOW TO ORDER

EXAMPLE

code: 806-314-001-504-016

ISO

806

314

001

504

016

Cutting head material

Tungsten Carbide = 500

Diamond             = 806

Shaft diameter & length

Turbine       = 3xx

Right-angle = 2xx

Handpiece = 1xx

Shape of cutting head

Grit size

Black (super coarse grain) = 544

Green (coarse grain)         = 534

Blue (medium grain)          = 524

Red (fine grain)                 = 514

Yellow (superfine grain)     = 504

White (ultrafine grain)       = 494

Max. diameter of head (ball)

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