Features:
1. Thinner diamond segment and thinner tube wall can easily reduce the resistance and increase the drilling speed (compare with the assembly type)Roof segment Drill Bits.
2. Very fast drilling speed and low drilling pressure.
3. Different connection end for different drilling machine.
4. Especially effective in drilling through reinforced concrete.
Packing & Shipping:
Packing:
The inner packaging is carton box .The outer packaging is carton box Or woodencase.
(If by air ,carton box will reduce the weight, if by sea, we suggest woodenbox for waterproof.)
Shipping:
1. Trail order with light weight(<45kgs), we recommend Express Service.
2. Normal order weighting over 45kgs, we recommend Air Cargo.
3.As for the large size or heavy weight, JDK recommends Sea Cargo.
Fair & Exhition:
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