Tool No.

Drill diameter

Grit. #

Diamond Diameter

TW-1

0.7mm

#150

1mm

TW-1.3

1mm

#150

1.3mm

TW-1.5

1.2mm

#150

1.5mm

TW-2

1.7mm

#150

2mm

TW-2.5

2.1mm

#100

2.5mm

TW-3

2.6mm

#100

3mm

TW-4

3.6mm

#100

4mm

TW-5

4.6mm

#100

5mm

TW-6

5.6mm

#100

6mm

TW-7

6.6mm

#100

7mm

TW-8

7.5mm

#80

8mm

TW-9

8.5mm

#80

9mm