- Tricone Bit ( 142 )
- Hole Opener ( 35 )
- Roller Cone bit ( 23 )
- PDC Bit ( 27 )
- Core Barrel ( 4 )
- Drag Bit ( 15 )
- DTH Drilling Tools ( 15 )
- Core Bit ( 3 )
- Drill Collar ( 6 )
- Drill Stabilizer ( 1 )
- Single Cone Bit ( 1 )
- Drilling Tools ( 4 )
- Contact Person: Ms. Jenny
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Hard Rock Drilling Bits - manufacturer, factory, supplier from China
Gela Gelashvili Jul 29, 2019 5Good deal, highly recommended!
Prashad Gamage Jul 19, 2019 5Excellence! It’s a perfect purchase for me.
Johnson Gao Jul 16, 2019 5A very kind seller^ - ^
Mr.kashif Jul 13, 2019 5These are PERFECT! You may purchase them with complete confidence!
Doug L. Bullock Jun 07, 2019 5Just received this product. Customer service from Hejian Deris Petroleum Drilling Equipment Co.,Ltd. answered some of my questions, which is very helpful for the me. I am glad to have this Hard Rock Drilling Bits and meet the lovely people from Hejian Deris Petroleum Drilling Equipment Co.,Ltd. . Recommended.
Asif Uddin Jun 06, 2019 5It's a whole lot better than the last Hard Rock Drilling Bits I bought. I haven't seen anything close to the quality of this product in this price range. It's very good value for the product price.
Griff Neal Jun 05, 2019 5Most valuable product Hard Rock Drilling Bits I have ever puchased and I really suggest you guys to have it as well.
Patty Baker Jun 02, 2019 4Hejian Deris Petroleum Drilling Equipment Co.,Ltd. is a very good company. Very professional.
Supak Siritikul May 26, 2019 5It’s worth buying.Good Hard Rock Drilling Bits !
Zohaib Hassan May 22, 2019 4Excellent seller,Good Hard Rock Drilling Bits good packing, prompt communication and fast delivery. A+++++ rating given.
Mrs.ginger Grimstone May 22, 2019 4Hard Rock Drilling Bits is good.will keep in touch.
Flavio Chegne May 16, 2019 5Hope you have a more detailed description on website, but thanks for anwsering patiently.
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