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Double Casing Drilling System

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DTH hammer [37]
DTH bit [68]
Reverse circulation hammer [19]
Reverse circulation bit [17]
Overburden Drilling System [5]
DTH drill rod [8]
Button bit [9]
Tapered bit [3]
Shank adaptor [2]
Button bit grinder [9]
Drag bit [2]
Diamond core bit [4]

Changsha Sollroc Engineering Equipments Co., ltd

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Double Casing Drilling System

Name: Double Casing Drilling System
Brand: SOLLROC
Price: 100 USD

Place of Origin : Changsha,Hunan,China

Brand Name : SOLLROC

Certification : ISO:9001,SGS

Model Number : DHD,SD,QL,MISSION,NUMA, COP

MOQ : 1 PC

Price : 100usd-10000USD

Packaging Details : Wooden carton

Delivery Time : 15-20 DAYS

Payment Terms : T/T,L/C

Supply Ability : 10000pcs/month

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Application Range(DTH hammer type drilling inside the case) It can be widely used in drilling for grouting holes in projests such as cofferdam, foundation and geothermal well and etc.

Features:
1.Hardening treatment of the parts surface with longer operating life
and excellent anti-wear properties
2.Structure optimization Strengthen the structural
3.Superior performance Smooth with high efficiency

Technical Data
A	B	C	D	E	F	G
outer dia	reamed dia	inner dia	thread	drill rod	drill bit dia	thread
(mm)	(mm)	(mm)	mm	mm	mm
118	125	88	104.5	76	83	R56
133	140	108	122	76	102	R56
146	152	120	134	89	116	R78
168	172	133	146.5	114	128	R83
216	225	178	203	114	165	R102

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