Dminingwell Concentric Bit Overburden Casing Drilling System Casing System Odex Concentric Casing System

• Customization: Available
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Standard: AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN
• Model NO.: Concentric2
• Surface Treatment: Without Processing
• Manufacturing Process: Forging
• Material: Carbon Steel
• Transport Package: Wooden Boxes
• Specification: 25kg
• Trademark: Miningwell
• Origin: Zhejiang China
• Production Capacity: 30PCS Per Month

Product Description

Specification

Size	OD of casing pipe(mm)	ID of casing pipe(mm)	Wall thickness (mm)	Center drill bit most Large outer diameter (mm)	Perforated size (mm)	Allow pass drill bit diameter (mm)	Matching DTH Hammer	Weight (KG)
P114/9-84	114	94	10	94	126	84	COP34/DHD3.5/MW3.5	10
P127/10-93	127	107	10	105	142	93	COP34/DHD3.5/MW3.5	16
P140/10-97	140	120	10	116	161	97	COP44/DHD340(MW4)/SD4/QL40	21
P146/10-110	146	126	10	124	165	110	COP44/DHD340/(MW4)/SD4/QL40	22
P168/12.7-127	168	142.6	12.7	141	188	127	COP54/DHD350(MW5)/SD5/QL50/M50	27
P178/12.7-131	178	152.6	12.7	150	196	131	COP54/DHD350(MW5)/SD5/QL50/M50	32.5
P194/12.7-145	194	168.6	12.7	166	214	145	COP64/DHD360(MW6)/SD6/QL60/M60	42.5
P219/12.7-170	219	193.6	12.7	191	243	170	COP64/DHD360{MW6)/SD6/QL60/M60	58
P245/12.7-195	245	219.6	12.7	214	268	195	COP84/DHD380/(MW8)/SD8/QL80	78
P254/12.7-203	254	228.6	12.7	224	276	203	COP4/DHD380(MW8)/SD8/QL80	84.5
P273/12.7-223	273	247.6	12.7	241	298(305)	223	COP84/DHD380(MW8)/SD8/QL80	100
P325/12.7-276	325	299.6	12.7	292	350	276	COP84/DHD380(MW8)/SD8/QL8O	135
P406/12.7-350	406	380.6	12.7	377	442	350	DHD112(MW12)/QL120/SD12/NUMA120	280
P508/12.7-416	508	482.6	12.7	478	545	416	QL200/SD18/NUMA180/MW18	522
P560/12.7-475	560	534.6	12.7	528	595	475	QL200/SD18/NUMA180/MW18	620
P610/12.7-513	610	584.6	12.7	558	645	513	QL200/SD18/NUMA180/MW18	710

Company Profile

Zhejiang Miningwell Supply Chain Management Co., Ltd.

Zhejiang Miningwell Supply Chain Management Co., Ltd. is a leading manufacturer in the field of mining and construction equipment manufacturing.
Based on your country's regulations, we help select or modify equipment to meet emission, noise, or transport standards — so you can avoid legal issues and start drilling with confidence.

Why Choose Us?

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