NQ overshot is an integral part of the NQ Wireline drilling system.Once the NQ inner tube is full of core, the NQ overshot is lowered  to the bottom of the hole to lift NQ inner tube assembly to the top of the hole. NQ overshot has the EZY-Lock part to lock the lifting dogs that keeps the safety when lay down the NQ inner tube assembly.NQ overshot is drive by the wireline winch. NQ overshot is used for the N size surface diamond drilling application. 

NQ OVERSHOT, NQ EZY-LOCK OVERSHOT

NQ OVERSHOT SPARE PARTS KIT

REFERENCE PART ITEMS

NQ Overshot Assembly Eye Bolt, NQ Cable Swivel Collar, NQ Thrust Bearing Castle Hex Nut, 1/2" UNF Cotter Pin, 3/32" x 3/4" Hydraulic Grease Fitting Cable Swivel Body, NQ Jar Staff, NQ Jar Tube, NQ Hex Nut, 3/4" UNC Nord-Lock Washer, 3/4" Over-Shot Cap, NQ Over-Shot Spring, NQ Over-Shot Sleeve, NQ Compression Spring Ball, 11/32" Over-Shot Head, NQ Lifting Dog Compression Spring

Lifting Dog, NQ Plain Pin 1/2" x 1-15/16" Spring Pin, 1/4" x 1-3/4" Locking Pin Nylok Set Screw, 3/8" x 3/4" Slotted Locking Sleeve, NQ BQ Overshot Spare Parts Kit Thrust Bearing Castle Hex Nut, 1/2" UNF Cotter Pin, 3/32" x 3/4" Hydraulic Grease Fitting Hex Nut, 3/4" UNC Ball, 11/32" Compression Spring Lifting Dog Compression Spring Lifting Dog, NQ Plain Pin 1/2" x 1-15/16"  Spring Pin, 1/4" x 1-3/4" Locking Pin Nylok Set Screw, 3/8" x 3/4"

REFERENCE PART#

C3546744 C25991 C25990 C25986 C25985 C44615 C17447 C44444 C3540516 C3540515 C44524 C3548178 C3544103 C3544105 C3546745 C6951 C3543772 C3546746 C3542027 C3540529 C42906

C37394 C3546747 C3545073 C15965 C3542588 C25986 C25985 C44615 C17447 C44524 C3543772 C6951 C3542027 C3540529 C42906 C37394 C3546747 C3545073

REFERENCE PHOTOS