8 1/2" PDC bit

1)certified by ISO9001 and API 2)size from 152mm-450mm 3)with diamond 4)antiwear and long lifetime

Introduction

Bainas can supply all kinds of PDC coring and non-coring bits, PDC sintering matrix bits and PDC anchoring bit. PDC bit can be widely used in the fields of geological exploration coal mining, water conservancy and hydropower, construction of road and railway.

We also can design PDC bits according to customer requirements, such as different geology condition, special strata and so on.

Theory

PDC (polycrystalline Diamond Compact) drill bit is a new product after the hot-pressed and electroplated drill bit in recent years. With special high-frequency welding techniques, PDC of high wear resistant is welded to the body as cutting edges. PDC bit is mainly used for geological prospecting coal exploration, water conservancy and power engineering, etc.

Features

It has a super long life. The useful life of the PDC bit is 4~5 times than the diamond bit, 10 times than the tungsten carbide bit at least.It has high drilling speed.It can be operated with low pressure and low speed.It has a good gage protection.It can be used widely, more suitable for drilling in the stratum with hardness coefficient f<9It has a low cost.

1. PDC CORING BIT

PDC coring bit is a kind of pip-shaped bit with PDC teeth, which can get the core.. It is mainly used for geological exploration, coal mining, water conservancy and hydropower, construction of road, railway, bridge and building.

Size	Outer/inner diameter(mm)	Size	Outer/inner diameter(mm)
FQW65	65/44	FQW100	100/75
FQW75	75/54	FQW110	110/85
FQW78	78/57	FQW113	113/88
FQW91	91/68	FQW130	130/105
FQW94	94/71	FQW133	133/108
FQW98	98/73	FQW171	171/146

PDC Non-coring Bit

PDC non-coring bit is a kind of full face drilling bit, it is mainly used for coal mining, water conservancy and hydropower, construction of road and building.

Size	Outer diameter(mm)	Size	Outer diameter(mm)
FNB42	42	FNB94	94
FNB46	46	FNB98	98
FNB56	56	FNB100	100
FNB60	60	FNB113	113
FNB65	65	FNB133	133
FNB75	75	FNB171	171

PDC Anchor Bit

PDC anchor bit is a small mining bit with two or three wings, it is mainly used for coal mining, water conservancy and hydropower and so on.

Size	Outer diameter(mm)
FMW28	28
FMW30	30
FMW32	32
FMW42	42

8 1/2" PDC bit