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  • Wireline Knuckle Jar
  • Wireline Knuckle Jar

Wireline Knuckle JarBACK

A knuckle jar is used combined with running tools and other equipment by operators to transmit effective jarring forces up and down. The knuckle jar is similar in design to the knuckle joint. However,…

Structure CharacteristicsI

A knuckle jar is used combined with running tools and other equipment by operators to transmit effective jarring forces up and down. The knuckle jar is similar in design to the knuckle joint. However, the knuckle jar design incorporates a length extension at the socket that allows the ball to move vertically for light jarring.

General Technical parameters

Size

OD

Fishing neck

Connection thread

Distance

PN.

1.25×2

1.25

1.375

15/16-10UN

2

W05-05.02.00

1.25×4

1.25

1.375

15/16-10UN

4

W05-05.03.00

1.5×2

1.5

1.375

15/16-10UN

2

W05-05.04.00

1.5×4

1.5

1.375

15/16-10UN

4

W05-05.01.00

1.75×2

1.75

1.375

15/16-10UN

2

W05-05.05.00

1.75×4

1.75

1.375

15/16-10UN

4

W05-05.06.00

1.875×2

1.875

1.75

1-1/16-10UN

2

W05-05.07.00

1.875×4

1.875

1.75

1-1/16-10UN

4

W05-05.08.00

2.125×2

2.125

1.75

1-1/16-10UN

2

W05-05.09.00

2.125×4

2.125

1.75

1-1/16-10UN

4

W05-05.10.00

2.5×2

2.5

2.313

1-9/16-10UN

2

W05-05.11.00

2.5×4

2.5

2.313

1-9/16-10UN

4

W05-05.12.00

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