OD 127mm MRE Dual Rotors Eccentric Overburden Casing Drilling Bit CIR Shank soft and hard rock formation

Brand Name:MING
Certification:ISO 90001
Model Number:MRE127MM-CIR110
Minimum Order Quantity:5PCS
Delivery Time:10-25 Days
Payment Terms:T/T, Western Union
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Location: Wuhan China
Address: 1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
Supplier`s last login times: within 48 hours
Product Details Company Profile
Product Details

.OD 127mm MRE Dual Rotors Eccentric Overburden Casing Drilling Bit CIR Shank


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
inchmminchmminchmminchmm
MRE893.70942.64672.95753.50892CIR765.5
MRE1084.721203.31843.66934.251082CIR90/HD35/DHD3.510/11
MRE1144.921253.62923.981014.491142CIR90/HD35/DHD3.511/12
MRE1275.591423.981014.331105.001272CIR110/HD45/DHD34014.5/16
MRE1335.981524.331104.761215.241332CIR110/HD45/DHD34016/17.5
MRE1466.381624.721205.081295.751462CIR110/HD45/DHD34018.5/20
MRE1597.091805.121305.551416.261592CIR110/HD55/DHD35024/30
MRE1687.481905.391375.791476.611682CIR110/HD55/DHD35026/33
MRE1787.952025.751466.141567.011782CIR150/HD55/DHD35034/36
MRE1948.352126.341616.731717.641942CIR150/HD65/DHD36044.5/51
MRE21910.042557.441897.872008.622192CIR150/HD65/DHD36056.5/63
MRE24510.632708.192088.622199.652452CIR170/HD65/DHD36086/92
MRE27311.893029.452409.8825110.752732HD85/DHD380135
MRE32313.7835011.0228011.6529612.723232HD85/DHD380190

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.


Company Information

Wuhan Kingdrilling Diamond CO., LTD, one of the most professional manufacturer specialized in researching and producing Overburden casing drilling system, DTH hammer, DTH drill bits, Thread bits, Taper bits, Shank adapter, Drilling rods, Coal mining picks, Roller cutters, Tricone bits and related rock drilling tools.

Whatever in construction, engineering, piling, water well drilling, tunneling, mining, quarrying or horizontal drilling industry, KINGDRILLING will do the best to satisfy your demands. "Kingdrilling, Keep On Striving", we’ll always be in this line to support our customers the most reliable products and services.

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China OD 127mm MRE Dual Rotors Eccentric Overburden Casing Drilling Bit CIR Shank soft and hard rock formation supplier

OD 127mm MRE Dual Rotors Eccentric Overburden Casing Drilling Bit CIR Shank soft and hard rock formation

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