the following example is for you reference.
1.Brief Introduction:
Double cut Rock drilling bucket with collar plate
Main application very dense sand and gravel, weak to medium hard rock (< 50 MPa) up to coarse gravel is recommended in uncased bores or for bigger diameters and for secant pile walls
2.Techincal parameters:
Diameter
(mm) D1
Bucket
(mm) H
Height
(mm)H1
Bucket height
(mm)Flat teeth N.O.
Bullet teeth NO. 600
540
2000
1200
2
10 800
700
2000
1200
4
14 1000
900
2000
1200
6
18 1200
1100
2000
1200
7
20 1500
1400
2000
1200
9
28 1800
1700
2000
1000
11
32 2000
1900
1600
800
13
34 2200
2100
1600
800
15
36 2500
2400
1500
700
17
40 3000
2900
1500
700
21
46
3.Performance features:
Shank chisel pilot bit cutting edge and collar plate with round shank chisels ventilation pipe wear protection: hard facing or wear strips