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OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube

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OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube

Name: OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube
Brand: MING
Price: 325 USD

Wholesale OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube from china suppliers

Brand Name : MING

Model Number : MRE127MM-DHD3.5

Certification : ISO 90001

Place of Origin : CHINA

MOQ : 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

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OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube

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

OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube

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.

OD 127mm MRE Dual Rotors Overburden Casing Drilling system DHD Shank with casing tube Images

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