113mm 130mm hole range reverse circulation hammer

Place of Origin:Hunan, China

Brand Name:SOLLROC

Product Description Reverse circulation drilling is similar to air core drilling as the samples that are drilled up from the earth are not simply placed onto the surface surrounding the machine but the samples are instead shot up into the hollow pipe of ...

Brand Name:New Diamond

Model Number:Reverse Circulation Hammer

Place of Origin:Hunan, China (Mainland)

... material, advanced processing technology and perfect quality warranty. With hardened treatment, drilling life can be extended and then cost can be reduced. Size range 4.5’’,5”,5.5 ’’

Brand Name:ROSCHEN

Model Number:COP RC35 RC45 RC50 RC60 RC80

Place of Origin:CHINA

Reverse Circulation Hammers COP RC35 RC45 RC50 RC60 RC80 RC Hammer Reverse Circulation Hammers ROSCHEN Reverse Circulation Hammers Specifications Hammer Size Hammer Bit Shank ROSCHEN Code Hole Range (mm) External Diameter (mm) Length (without bit) mm ...

Model Number:CRE004

Place of Origin:China

Brand Name:Super Diamond

... 2.4Mpa 3.0Mpa 1.0-3.0Mpa 30HZ 25-40r/min 8m³/min 12m³/min 16m³/min RC series reverse circulation DTH Hammer is the

Categories:Reverse Circulation Hammers

Country/Region:china

Advantages: R.C.Drilling, referred to as " Centre Sample Recovery" or " Dual Wall Drilling",employs a Dual Wall Pipe where the drilling medium, normally high pressure air,is passed between the outer and inner tubes down to the face of ...

Place of Origin:China

Brand Name:MIROC

Model Number:DTH Hammer

.... Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH hammers a nearly constant penetration rate regardless of hole length. • Small to medium size drilling diameters • Works in low pressure range, capable of