Extension Tube for T2-76 Double Tube Core Barrel for Dcdm Standard Conventional Core Barrel Drilling

• Customized: Customized
• Certification: CE, ISO
• Usage: Metal Drilling, Masonry Drilling, Well Drilling
• Material: Alloy
• Transport Package: Plywood Case
• Specification: 1.5m/3.0m
• Model NO.: T2-76
• Trademark: Roschen
• Origin: China
• HS Code: 8431432000
• Production Capacity: 20000PCS/Month

Product Description

T2 series double tube core barrel components including:
 

1	Double Tube Core Barrel Head
2	Inner Tube
3	Extension Tube
4	Core Lifter
5	Core Lifter Case
6	Outer Tube
7	Thre Protector

We had been making great efforts to develop various drilling tools to meet the different needs for our customers. The drilling tools including core bits, diamond core bits, non-coring bits, reaming shells, casing shoes & casing bits, core barrels, overshots, drill rods, casing tubes, SPT tools and other drilling tools. 
 
If you need any further information about our any type drilling tools, please feel free to contact with us, we would be quite pleased to show all the details you asked for.  

 

Standard "Q" wire line bit sizes
Size	Hole (outside) diameter, mm	Core (inside) diameter, mm
AQ	48	27
BQ	60	36.5
NQ	75.7	47.6
HQ	96	63.5
PQ	122.6	85
CHD 76	75.7	43.5
CHD 101	101.3	63.5
CHD 134	134	85

 

Standard "Q" wire line bit sizes
Size	Hole (outside) diameter, mm	Core (inside) diameter, mm
AQ	48	27
BQ	60	36.5
NQ	75.7	47.6
HQ	96	63.5
PQ	122.6	85
CHD 76	75.7	43.5
CHD 101	101.3	63.5
CHD 134	134	85

 

Roschen Core Barrel System Sizes
SYSTEM	CORE Ø		HOLE Ø
	mm	in	mm	in
A	48,0	1.89	27,0	1.06
B	59,9	2.36	36,4	1.43
N	75,7	2.98	47,6	1.88
H	96,1	3.78	63,5	2.5
P	122,6	4.83	85,0	3.35