Xi'an Tydrillbits Co.,Ltd is one of the most famous China pdc drag bits manufacturers,Website:http://www.tydrillbits.com, welcome to wholesale cheap three wings pdc bit, drag bit for ang formation from our factory.
Description of PDC drag bits
PDC drag bit is one kind of steel body drill bits. Steel body PDC drill bit is made of steel and PDC cutters. Steel
body bit is suitable for fast drilling excluding gravel and low compressive strength easy to drill layer. It has wider
runner which is good for carrying rock debris timely. Steel body drill bit body is made with whole piece of carbon
steel by machining. PDC cutter is welded on the tungsten carbide tooth as the cutting teeth, then cutting teeth are
welded on the drill bit body. Diamond piece is inserted to the body ad the drill bit gauge.
Specification of PDC drag bit
Size
(mm)
Water hole No.
PDC cutter No.
Connection thread
94
3
12
API standard thread
or Customized
113
3
15
133
3
18
143
3
21
153
3
21
190
3
24
200
3
27
215.9
3
30
……
(Water hole No.
according
to blades No.)
According to the
customer’s requirement
Application of PDC drag bit
PDC drag bit is used to drill into soft to medium hard rock formation. It has a highest drilling efficiency in the soft rock and used for trepanning.