Deutsch 
Espanol 
Francais 
Italiano 
Portugues 
Japanese 
Korean 
Arabic 
Russian 
Mobile:
E-mail:
Description
Stone cutting Diamond core bits for water well drilling
We can provide:
1.Test Report & MTC
2.Ready stock for normal sizes
3.Customized sizes welcomed
4.One stop service
SPECIFICATIONS |
|
|||
|
Size
|
Outside Diameter
|
Inside Diameter
|
||
|
Inch
|
mm
|
Inch
|
mm
|
|
|
AQ
|
1.880/1.870
|
47.75/47.50
|
1.607/1.057
|
27.1/26.85
|
|
BQ
|
2.350/2.340
|
59.69/59.44
|
1.438/1.428
|
36.52/36.27
|
|
HQ
|
2.970/2.960
|
75.44/75.19
|
1.880/1.870
|
47.75/47.50
|
|
NQ
|
3.770/3.755
|
95.76/95.38
|
2.505/2.495
|
63.63/63.38
|
|
PQ
|
4.815/4.795
|
122.30/121.80
|
3.350/3.340
|
85.09/84.84
|
