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Product model

Core Drill Tools

 

Specifications

Drill Rods Specification
C Type (Q)Rods
BC (BQ)
Metric system
type External diameter (mm) Internal diameter (mm)   Weight
(kg/3m)
Thread type   (mm) Thread length(mm) Lumen capacity(liter/100m)
BC,3 m 55.60 46.10 18.00 8.5 44.45 167.00
BC,1.5 m
BC,1 m
 
British system
type External diameter(inch) Internal diameter(inch) Weight (pound /10 foot) Thread type (inch) Thread length(inch) Lumen capacity(gallon /100foot)
BC,10 inch 2.19 1.81 42.00 0.33 1.75 13.00
BC,5 inch
BC,2 inch
BC,1 inch
 
NC (NQ)
Metric system
Type External diameter (mm) Internal diameter(mm) Weight
 (kg /3m)
Thread type (mm) Thread length (mm) Lumen capacity (liter/100m)
NC,3 m 69.90 60.30 23.40 8.5 44.45 286.00
NC,1.5 m
NC,1 m
 
British system
Type External diameter (inch) Internal diameter (inch) Weight(pound/10foot) Thread type(inch) Thread length(inch) Lumen capacity(gallon/100foot)
NC,10 foot 2.75 2.38 52.40 0.33 1.75 23.00
NC,5 foot
NC,2 foot
NC,1 foot
 
HC (HQ)
Metric system
Type External diameter (mm) Internal diameter (mm) Weight (kg/3m) thread type (mm) Thread length (mm) Limen capacity (liter/100m)
HC,3 m 88.90 77.80 34.50 8.5 44.45 475.00
HC,1.5 m
HC,1 m
 
British system
Type External diameter (inch) Internal diameter (inch) Weight(pound/10foot) Thread type(inch) Thread length(inch) Lumen capacity(gallon/100foot)
HC,10 foot 3.50 3.06 76.90 0.33 1.75 38.00
HC,5 foot
HC,2 foot
HC,1 foot
 
PC (PQ)
Metric system
British system
Type External diameter (inch) Internal diameter (inch) Weigh(pound/10foot) Thread type(inch) Thread length(inch) Lumen capacity(gallon/100foot)
PC,10 foot 4.50 4.06 117.00 0.40 2.47 65.30
PC,5 foot
PC,2 foot
PC,1 foot
 
Type External diameter (mm) Internal diameter (mm) weight(kg/3m) Thread type (mm) Thread length (mm) Lumen capacity (liter/100m)
PC,3 m 114.30 103.20 52.20 10.20 63.00 810.80
PC,1.5 m
PC,1 m

BRC Type(BRQ)Rods
BRC (BRQ)
Metric system
Type External diameter (mm) Internal diameter (mm) Weight (kg/3m) Thread type (mm) Thread length (mm) Lumen capacity (liter/100m)
BRC,3 m 55.60 46.10 18.00 8.50 41.91 167.00
BRC,1.5 m
BRC,1 m
 
British system
Type External diameter (inch) Internal diameter (inch) Weight (pound/10foot) Thread type(inch) Thread length(inch) Lumen capacity(gallon/100foot)
BRC,10 foot 2.19 1.81 42.00 0.33 1.65 13.00
BRC,5 foot
BRC,2 foot
BRC,1 foot
 
NRC (NRQ)
Metric system
Type External diameter (mm) Internal diameter (mm) Weight (kg/3m) Thread type(mm) Thread length (mm) Lumen capacity (liter/100m)
NRC,3 m 69.90 60.30 23.40 8.5 41.95 286.00
NRC,1.5 m
NRC,1 m
British system
Type External diameter (inch) Internal diameter (inch) Weight (pound/10foot) Thread type (inch) Thread length (inch) Limen capacity(gallon/100foot)
NRC,10 foot 2.75 2.38 52.40 0.33 1.65 23.00
NRC,5 foot
NRC,2 foot
NRC,1 foot
 
HRC (HRQ)
Metric system
type External diameter(mm) Internal diameter (mm) Weight (kg/3m) Thread type(mm) Thread length (mm) Lumen capacity (liter/100m)
HRC,3 m 88.90 77.80 34.50 8.5 41.91 475.00
HRC,1.5 m
HRC,1 m
British system
Type External diameter (inch) Internal diameter (inch) Weight (pond/10foot) Thread type(inch) Thread length(inch) Lumen capacity(gallon/100foot)
HRC,10 foot 3.50 3.06 76.90 0.33 1.65 38.00
HRC,5 foot
HRC,2 foot
HRC,1 foot
 
PRC (PRQ)
Metric system
Type External diameter (mm) Internal diameter (mm) Weight (kg/3m) Thread type (mm) Thread length (mm) Lumen capacity(liter/100m)
PRC,3 m 114.30 103.20 52.20 10.20 60.20 810.80
PRC,1.5 m
PRC,1 m
 
British system
Type External diameter (inch) Internal diameter (inch) Weight (pound/10foot) Thread type(inch) Thread length (inch) Lumen capacity (gallon/100foot)
PRC,10 foot 4.50 4.06 117.00 0.40 2.37 65.30
PRC,5 foot
PRC,2 foot
PRC,1 foot
 
Specifications of Diamond Core Bit
Bit selection reference
Formation   hardmess rock abrasiveness                     Bit Matris Range    
45-50
1
40-45
2
35-40
3
30-35
4
25-30
5
25-30
6
25-30
7
20-25
8
20-25
9
16-20
10
10-16
11
8-10
12
soft Clay, shale,very soft,sandstone,marl argilite, volcanic tuff, etc. High                        
Medium                
Low                  
Medium-hard Limestone, rhyolite lava, andesite, marble, hard sandstone, limonite, dolomite, schist, etc.   High              
Medium                
Low                
Hard Basalt, gmeiss, granodiorite amphiblolite, pegmatite, diabase, etc. High                
Medium                
Low                
Very hard Hard granite, quartzitic, xonglomerate, quarizite hard slate, rhyolite, etc. High          
Medium            
Low                  

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