Concentric Casing Drilling System with Double Wings

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Website: http://rockdrilltool-en.com/concentric-casing-drilling-system-with-double-wings-1-5-2-3.html

Anchoring

Water well drilling

Technical Specifications

Model	O.D. of casing tube , mm	I.D. of casing tube, mm	Thickness, mm	Max. guide device diameter, mm	Reamed diameter, mm	Min.O.D. of casing shoe, mm	No. of Wings	DTH hammer	Weight , kg
	D		h	H	C	G
T90	114	101	6.5	99	125	90	2	3.5''	15
T115	146	126	10	124	157	117	2	4''	20.5
T136	168	148	10	145	180	136	2	5''	33.5
T142	178	158	10	154	195	142	2	5''	39
T160	194	174	10	172	206	160	2	6''	48