Features:
1 double-cone crown profile
2 Natural diamond cutters
3 applicable to drilling hard to very hard and abrasive formations
4 suitable for deep drilling can operation in adverse environment such as drilling with density mud
5 suitable for rotary and down hole motor applications
diameter
mm inch
117.5 4-5/8
120.7 4-3/4
149.2 5-7/8
152.4 6
200.0 7-7/8
215.9 8-1/2
Besides the types and specs of all kinds of PDC comprehensive diamond bits, and we can design and produce PDC coring bits and Triangle Polycrystalline and synthetic diamond coring drill bits.
Apart from that, we can also customise other kinds of non-standard drills.
Specs (Dia)
mm in
95mm 4
98mm 4
102mm 4
105mm 4-1/8
114mm 4-1/2
114mm 4-1/2
118mm 4-5/8
120mm 4-3/4
120mm 4-3/4
120mm 4-3/4
130mm 5-1/8
130mm 5-1/8
132mm 5-1/8
133mm 5-1/4
140mm 5-1/2
142mm 5-5/8
142mm 5-5/8
142mm 5-5/8
146mm 5-3/4
149.2 5-7/8
149.2 5-7/8
152mm 6
152mm 6
152mm 6
152mm 6
155mm 6-1/8
159mm 6-1/4
159mm 6-1/4
165mm 6-1/2
171mm 6-3/4
200mm 7-7/8
200mm 7-7/8
200mm 7-7/8
200mm 7-7/8
206mm 8-1/8
215mm 8-1/2
215mm 8-1/2
215mm 8-1/2
215mm 8-1/2
222mm 8-3/4
241mm 9-1/2
247mm 9-7/8
311 12-1/4
374 14-3/4