HQ Metal Core lifter catcher


HQ Metal Core lifter catcher

Steel Basket Core Barrel Bits Usage: Loose, soft formations – use in conjunction with steel core basket


Plastic Basket Core Barrel Bits Usage: Loose, soft formations – use in conjunction with plastic core basket 
 
Plastic Core Basket Usage: Retains loose, soft sample – use in conjunction with plastic basket core barrel bits  
       
Metal Core lifter catcher can be used to prevent water bearing sands from entering the hollow stem auger I.D. during drilling, while continuing to allow for the sampling tube to pass through.

Additional sizes and styles are available on request.      


Plastic Basket Retainer         

Installed in the end of a standard or tab sampler to insure the soil sample does not slide out of the sampler as it is being withdrawn from the hole. For use in either the standard heavy duty or tab type samplers.


Core Catcher Retainer Basket          

Retainer Baskets Used in conjunction with retainer basket bits, retainer baskets can be used to improve sample recovery in loose formations. Retainer Baskets Roschen retainer baskets are available in soft, medium, and hard plastic. Retainer baskets have flexible fingers that open to allow the soil into the side of core barrels, or Split Spoon Samplers, and the soils without leaking out of Split Spoon Samplers or core barrel. Particularly suitable for sandstone layers, broken rock formations, loose cores that cannot be completely corrugated, or soft formations. Collection, or coring is greatly improved.   


 

Stocks Size Plastic Core Catcher
Wireline diamond core bits specifications
SIZE CORE Ø HOLE Ø
AQTK 35.5 mm (1-3/8 in) 48 mm (1-7/8 in)
BQ 36.4 mm (1-7/16 in) 60 mm (2-3/8 in)
BQTK 40.7 mm (1-5/8 in) 60 mm (2-3/8 in)
NQ 47.6 mm (1-7/8 in) 75.7 mm (3 in)
NQTK (NQ2") 50.6 mm (2 in) 75.7 mm (3 in)
NQ3 45 mm (1-3/8 in) 75.7 mm (3 in)
HQ 63.5 mm (2-1/2 in) 96 mm (3-3/8 in)
HQ3 61.1 mm (2-3/8 in) 96 mm (3-3/8 in)
PQ3 85 mm (3-3/8 in) 122.6 mm (4-7/8 in)
PQ3 83 mm (3-1/4 in) 122.6 mm (4-7/8 in)
     
Stocks Size Plastic Core Catcher
Auger I.D. PART #
IN MM
1 11/16" 43 2250100
2 1/2" 63.5 2250102
3 1/9" 79 2250103
3 1/2" 88.9 2250105
3 15/16" 100 2250106
4" 101 2250107
     
Specifications:
Plastic Soil Core Catcher
Auger I.D. PART #
IN MM
2 1/4" 57 2250101
2 1/2" 63.5 2250102
3 1/4" 83 2250103
3 1/2" 88.9 2250104
4 1/4" 108 2250105
4 1/2" 114.3 2250106
5 1/4" 134 2250107
5 1/2" 139.7 2250108
6 1/4" 155 2250109
6 1/2" 165.1 2250110
6 5/8" 168 2250111
7 1/4" 184.15 2250112
7 1/2" 190.5 2250113