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Dry Diamond Core Drill Bits

Dry diamond core bits with #30/40 diamond grits and air slots to keep the bits cool and light-weight.

Quantity:

diameter

Drilling Depth

mm

inch

22

7/8

9.5''

26

1

9.5''

28

1-1/8

9.5''

32

1-1/4

9.5''

35

1-3/8

9.5''

38

1-1/2

9.5''

44

1-3/4

9.5''

51

2

9.5''

56

2-1/4

9.5''

63

2-1/2

9.5''

71

2-3/4

9.5''

76

3

9.5''

89

3-1/2

9.5''

102

4

9.5''

108

4-1/4

9.5''


Dry diamond core bits with #30/40 diamond grits and air slots to keep the bits cool and light-weight. 

Designed for drilling:

soft brick

building block


​Copyright 2020 Tongling Changjiang Diamond Tools Co., Ltd