1. Advantages of our products:
(1) Strong resistance to abrasion and impact resistance.
(2) Cutter's quality performance is good ,
(3) long work life
(4) stocks adequate, time delivery
(5) rich experience in drill bit
(6) good after-sales service
(7) High quality, competitive price
2. Detailed Description Of This Product:
Size | 20'' |
Pin shank size | 7 5/8 |
Types of Bearing | Jounmal beanngs |
Types of Sealing | Rubber rings or Metal rings |
Bit type | 537G |
IADC Code | 537 |
Application formation | Soft with low compressive strength and high drillability, such as shale, clay, sandstone and soft limestone, etc |
Main characteristics of bit(cutting structure) | Large dia. Offset crested scoop compacts in inner row, wedge compacts in outer row |
Normal WOB KN/mm (bit dia.) | 0.50~1.05 |
Rotary speed (rpm) | 180~60 |
Payment terms | L/C, T/T, Western Union |
MOQ | 1 Piece |
Delivery time | within 7 days |
Packing | carton, wooden box , steel box or as your requirements |
3. hejuan15(a)hotmail.com/skype-victoria28810
