Current site:
Current language:
Unit of measurement:
Please select your country!

{{group.Text}}

{{"ifind_go-back" | translate}}

{{group.Text}}

Drill collar

A drill collar is used to pump drilling fluid through the drill string. It also provides weight to the drilling system. The drill collar is placed between the drilling rig and the drill bit.

 

Facts and component characteristics

Typical material:
  • Low carbon steel (LCS)
  • Non-magnetic stainless steel
  • Solid Inconel 718

Machine tool types

Typical machines used:
  • Deep hole drilling machines

Main machining challenges

Drilling
  • Productivity
  • Tolerances
​Bottle boring
  • Surface finish
​Counterboring
  • Concentricity
  • Productivity
​Skiving
  • Tolerances

Machining a complete hole in non-magnetic stainless steel (P750)

 

Machining solution – Solid drilling

Products: solid-drilling

Customer values

Drilling
  • Productive method
  • Close tolerances
  • Secure process with rigid tool concept
  • Flexibility – large program for several worpiece materials
 

Machining solution – Skiving

Products:
  • Skiving head: Engineered skiving head
  • Insert: R420.37
solid-drilling

Customer values

Skiving
  • Close tolerances – IT8
 

Machining solution – Counterboring

Products:
  • Head: Engineered counterboring head with pilot
  • Insert: TXN with ILock technology
solid-drilling

Customer values

Counterboring
  • Productive method
  • Secure process with rigid tool concept
  • Superior hole straightness
  • Flexibility – large programme for several worpiece materials
 

Machining solution – Bottle boring

Products:
  • Head: Engineered bottle bore tool
  • Insert: Engineered insert
solid-drilling

Customer values

Bottle boring
  • Secure process with rigid tool concept
  • Validated process
 

 

Customer values

Drilling
  • Productive method
  • Close tolerances
  • Secure process with rigid tool concept
  • Flexibility – large program for several worpiece materials
 

 

Skiving
  • Close tolerances – IT8
Bottle boring
  • Secure process with rigid tool concept
  • Validated process
 

 

Counterboring
  • Productive method
  • Secure process with rigid tool concept
  • Superior hole straightness
  • Flexibility – large programme for several worpiece materials
 
We use cookies to enhance the experience on our website.More about cookies.