Bit information
Diameter
Inside diameter
Mm
inch mm inch
152.4 6 70 2-3/4
215.9 8-1/2 101.6 4
105 4-1/8
FEATURES
1 Step crown profile
2 PDC cutter
3 suitable for coring in hard and hard-brittle-broken formations
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