China Drilling Tools for Concrete Asphalt

diamond hole drill also called water drill bit,when you used it,yo need to add water in it,mainly used in large drilling project.Advise matched fixed drilling machine,hand-held drilling machine.Diamond core drill bit stability, fast speed, long drill life.
Usage of diamond hole drill
Diamond drill bits are mainly used for construction,such as drilling holes in stone and concrete wall,also used in for drilling to install pipeline of water,electricity,heating,gas.Also used in foundation engineering drilling,such as highway,airport runway,bridges,tunnels.
Feature of diamond hole drill
1.High effciency, long life and no breaking of segments. 2.Sizes of adaptor for threaded bit:M14,M16, G1/2",5/8"-11. 3.Applicable for drilling of stone,brick wall,concrete, concrete with steel. 4.Stable function and performance when cutting the stone,metal,concerte,wall. 5.Suitable for stone drilling Machine, Manual Handling drilling Machine.

hnhongxiang welded segmented concrete rock core diamond hole drill
Diameter(mm)
Length(mm)
18
83
350,
370,
450
22
89
27
96
30
102
32
108
36
114
38
116
40
120
44
127
46
133
51
152
56
159
63
168
66
180
71
200
76
220