Caing Tube OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit DHD340 Shank For Soft Hard Rockformation

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Wuhan Kingdrilling Diamond Co.,Ltd

City: wuhan

Country/Region:china

Tel:86-027-87745949

Contact Person:
Ms.Wendy Chen View Contact Details

Caing Tube OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit DHD340 Shank For Soft Hard Rockformation

Brand Name	MING
Model Number	MRE133MM-DHD340
Certification	ISO 90001
Place of Origin	CHINA
Minimum Order Quantity	5PCS
Price	325-305USD/PC
Payment Terms	T/T, Western Union
Supply Ability	2000PCS/MON
Delivery Time	10-25 Days
Packaging Details	Wooden case
Material	Quality Steel
Button material	Tungsten Carbide
Color	Green
Processing Type	Forging
Application	water well drilling, piling,tunneling,mining
Advantage	Wear resistant

Detailed Product Description

Caing tube OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit DHD340 Shank For Soft Hard Rockformation

Description
MRE Dual Rotors Eccentric Overburden casing drilling system, At clockwise rotation, reamer bits expand to bring the casing pipe into hole. After finished, reamer bits closed anticlockwise and then can be lift up from the bottom of the hole by drilling rig. This type is especially applied for diameter 89-323mm.

Characteristics
1. Suitable 89-323mm OD casing pipe
2. Widely used in collapse rock strata
3.Widely used in Underground Mining Industry

Technical Parameter

Model 型号	Bit diameter 钻头直径						Casing pipe OD 跟管外径		Wings 扩片 (PCS)	Spline 花键	Weight 重量 (KG)
	Expanded 扩孔直径		Retracted 收拢直径		Shank step 挂靴直径		Casing pipe OD 跟管外径
	inch	mm	inch	mm	inch	mm	inch	mm
MRE89	3.70	94	2.64	67	2.95	75	3.50	89	2	CIR76	5.5
MRE108	4.72	120	3.31	84	3.66	93	4.25	108	2	CIR90/HD35/DHD3.5	10/11
MRE114	4.92	125	3.62	92	3.98	101	4.49	114	2	CIR90/HD35/DHD3.5	11/12
MRE127	5.59	142	3.98	101	4.33	110	5.00	127	2	CIR110/HD45/DHD340	14.5/16
MRE133	5.98	152	4.33	110	4.76	121	5.24	133	2	CIR110/HD45/DHD340	16/17.5
MRE146	6.38	162	4.72	120	5.08	129	5.75	146	2	CIR110/HD45/DHD340	18.5/20
MRE159	7.09	180	5.12	130	5.55	141	6.26	159	2	CIR110/HD55/DHD350	24/30
MRE168	7.48	190	5.39	137	5.79	147	6.61	168	2	CIR110/HD55/DHD350	26/33
MRE178	7.95	202	5.75	146	6.14	156	7.01	178	2	CIR150/HD55/DHD350	34/36
MRE194	8.35	212	6.34	161	6.73	171	7.64	194	2	CIR150/HD65/DHD360	44.5/51
MRE219	10.04	255	7.44	189	7.87	200	8.62	219	2	CIR150/HD65/DHD360	56.5/63
MRE245	10.63	270	8.19	208	8.62	219	9.65	245	2	CIR170/HD65/DHD360	86/92
MRE273	11.89	302	9.45	240	9.88	251	10.75	273	2	HD85/DHD380	135
MRE323	13.78	350	11.02	280	11.65	296	12.72	323	2	HD85/DHD380	190

Button bit and raw materials type

1. Spherical Button
.Universal button
.Strong resistance to wear
.Suited for abrasive to very abrasive drilling conditions

2. High quality steel:
.Good wear resistance

.Strong toughness

.Stong hardness

Applications of rock drilling tools
• Underground mining
• Tunneling,quarrying

Competitive Advantage
• High grade tungsten carbide inserts
• High quality steel Bit bodies and all processed using state-of-the-art CNC machinery and heat treatment are finished in the factory.


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Caing Tube OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit DHD340 Shank For Soft Hard Rockformation

Caing Tube OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit DHD340 Shank For Soft Hard Rockformation

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