PDC bits Type: PDC bits and diamond core bit 
Applicable water well, oil field, construction, geothermal, directional boring, and underground foundation 
Formation Sticky, soft, medium, medium-hard, hard formation 
Bearing Rubber seal or metal seal 
Packing Wooden box, steel box or as your required 
Payment T/T, L/C 
MOQ One piece 
Supply Ability 500 pieces/month 
Delivery Time According to the amount of your requirement 
If you have interest,do not hesitate to contact me,thanks. 
Mia 
drillbits13 at zkdrilling dot com