Hardening treatment of the part's surface: With longer operating life and excellent anti-wear properties. Structural optimization: Strengthen the structural strength, easy to operate Superior performance: Stable and reliable performance, high drilling speed.
Product Data:
NWEB Series Eccentric Drill Bits
Model No.
Outer Dia.(mm)
Inner Dia.(mm)
Reamed Dia.(mm)
Weithg (kgs)
Recommend Hammer types
NWEB89
89
78
92
5
NWLH76
NWEB108
108
96
115
8.5
NWLH90
NWEB127
127
109
135
13
NWLH110 /NWHH45A
NWEB146
146
128
155
34
NWLH110 /NWHH45A
NWEB168
168
156
177
/
NWLH110 /NWHH55A
NWEB178
178
158
187
/
DHD55A
NWEB194
194
180
209
/
DHD65A
NWEB219
219
205
237
/
DHD65A
NWEB245
245
225
264
/
DHD85A
NWEB273
273
257
308
/
DHD85A
NWEB325
325
305
358
/
DHD105A
NWEB406
406
/
/
/
DHD120A
How to order: Casing Tube OD & ID + Reamer Bit Diameter + Minimal Casing Shoe ID + Hammer Shank Style
NWEB Series Eccentric drilling bit is suitable for drilling water wells, geothermal wells, short micropiles, medium mini-type grounting hole of building, dam and harbour project.