Application:Drilling reinforced concrete, hard brick and asphalt work.Widely used in sewer installation, highways, installing air conditioners, pipes,range hood installation, engineering coring and other conditions.
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Diamond Core Drill Bit
This professional diamond core bit is high-frequency welded, providing a rapid and clean drill. M22, 1 1/4UNC, 1/2Gas universal thread is suitable for multiple drill rigs, apply to concrete and brick. * Efficient & Smooth Cutting * Engineered For Exact Fitting * Humanized Structure * Simple Operation
Diameter (a)
b-c
Diameter (a)
b-c
Diameter (mm)
inch
Overall Length-Effective Length
Diameter (mm)
inch
Overall Length-Effective Length
Φ18
5/7"
370-330mm
450-410mm
Φ108
4-1/4"
370-330mm 450-410mm
Φ20
4/5"
Φ114
4-31/64"
Φ22
7/8"
Φ116
4-35/64"
Φ25
1"
Φ120
4-5/7"
Φ27
1.06"
Φ127
5"
Φ30
1-3/16"
Φ132
5-1/5"
Φ32
1-1/4"
Φ140
5-33/64"
Φ36
1-2/5"
Φ152
6"
Φ38
1-1/2"
Φ159
6-3/8"
Φ40
1-3/5"
Φ162
6-25/64"
Φ44
1-7/10"
Φ168
6-3/5"
Φ46
1-4/5"
Φ180
7"
Φ51
2"
Φ188
7-25/64"
Φ56
2-1/5"
Φ200
8"
Φ63
1-1/2"
Φ220
8-7/10"
Φ66
2-3/5"
Φ230
9-1/16"
Φ71
2-4/5"
Φ245
9-3/5"
Φ83
3-1/4"
Φ254
10"
Φ86
3-1/4"
Φ270
10-5/8"
Φ89
3-1/2"
Φ300
12"
Φ96
3-25/32"
Φ325
12-51/64"
Φ102
4"
Φ350
14"
Usage Scenarios
Diamond Core Drill Bit
This professional diamond core bit is high-frequency welded, providing a rapid and clean drill. M22, 1 1/4UNC, 1/2Gas universal thread is suitable for multiple drill rigs, apply to concrete and brick. * Efficient & Smooth Cutting * Engineered For Exact Fitting * Humanized Structure * Simple Operation
