Truper 13 step drill bit black oxide

Truper 13 step drill bit black oxide

Non-slip shank 1/4″ (6.5 mm)

Drilling range 1/8″ to 1/2″

13 hole sizes:

1/8″ (3 mm)

5/32″ (4 mm)

3/16″ (5 mm)

7/32″ (5.5 mm)

1/4″ (6.5 mm)

9/32″ (7 mm)

5/16″ (8 mm)

11/32″ (8.8 mm)

3/8″ (9.5 mm)

13/32″ (10.5 mm)

7/16″ (11 mm)

15/32″ (12 mm)

1/2″ (13 mm)