Quality DTH Drill Bit from China.
https://www.mingdthbit.com/china-rock_horizontal_directional_drilling_bits_with_dhd_spline_shank_165mm-26536467.html
Wuhan Kingdrilling Diamond Co.,Ltd quality manufacturer from China.
We can supply:
DTH Drill Bit : https://www.mingdthbit.com/supplier-dth_drill_bit-3070011.html
DTH Button Bits : https://www.mingdthbit.com/supplier-dth_button_bits-3070060.html
Casing Drilling Bit : https://www.mingdthbit.com/supplier-casing_drilling_bit-3070058.html
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