Knuck Jar

Tools Application

Knuck Jars combine the functionalities of a Knuckle Joint and a Short Tubular Jar, providing the ability to jar a tool string with short strokes to release it. Similar to Knuckle Joints, Knuck Jars also feature a built-in double fishing neck.

Design Features & Benefits
  • 7-degree deviation angle from the centerline
  • Fish necks on lower parts for potential retrieval purposes
  • Tailored connection options to meet customer needs
  • Straightforward, sturdy design for user-friendly operation
  • Hexagonal flats for secure assembly and disassembly
Technical Data

MAX OD (In)

FISH NECK OD (In)

THREAD CONNECTION

1.250

1.187

15/16-10 UN

1.500

1.375

15/16-10 UN

1.500

1.375

15/16-10 UN

1.875

1.750

1-1/16-10 UN

2.125

1.750

1-1/16-10 UN

2.500

2.312

1-9/16-10 UN