Diamond bit and diamond core bit are necessary toolS in the drilling engineering.
Including PDC bit , Polycrystalline diamond bit, Barus diamond and natural diamond bit.
Including PDC bit , Polycrystalline diamond bit, Barus diamond and natural diamond bit.
Specification of Diamond Bit
|
Bit Size
(in)
|
Diameter Solerance
(mm)
|
Connection
|
|
5 7/8
|
0
-0.13
|
3 1/2″IF
|
|
6
|
3 1/2″IF
|
|
|
8 1/2
|
0
-0.51
|
4 1/2″IF
|
|
9 5/8
|
0
-0.76
|
4 1/2″IF
|
|
12 1/4
|
6 5/8″REG
|
Specification of Diamond Core Bit
|
Bit Size
(in)
|
O.D. of Bit
(mm)
|
Mating Tool
|
|
5 7/8
|
121
|
chon6—3 chon5—4
|
|
6
|
133
|
chon6—3 chon5—4
|
|
8 1/2
|
172 180
|
chon6—3 chon7—4
chon8—4 250P
|
|
9 5/8
|
172 180
|
chon8—3 chon7—4
chon8—4 250P
|
|
12 1/4
|
172 180
|
chon8—3 chon7—4
chon8—4 250P
|