drills (A+), drills (class A+) TR-21F package of 3pcs

drills (A+),  TR-21F package of 3pcs

Application

• The type of burs is diamond burs
• Tip type - turbine tip (FG)

Characteristics of boron

• The diameter of the shank is 1.6 mm
• The length of the burs is 21 mm
• The length of the working part of the drill bit is 7 mm
• Shank type FG
• The shape of the cutting tip is conical (rounded)
• The maximum speed of rotation is 300,000 rpm

Catalog ID

Abrasiveness fine (Fine), red (Fine)

The digital code of the cutting part from the manufacturer is TR-21

The digital code of the cutting part is ISO197

TF - conical, flat tip

TR - conical, rounded tip

TC - cone-shaped, sharp tip

FO - flame-shaped, arrowhead

SF - straight, flat tip

SO - straight, arrow tip

SR - straight, rounded tip

RS - for preparation

EX is a special form

BR is spherical

DI - double reverse cone

SI is a simple inverse cone

WR - wheel, round edge

CR - for preparation

CD - for children's dentistry

S - short leg

SS - very short leg

C - coarse (125-150 microns)

standard (106-125 microns)

F - fine (53-63 microns)

EF - extra fine (20-30 microns)