To hold cutting tools like drills and reamers in the lathe machine ______ is used 

Explanation:

Tailstock:

• To accommodate the dead center to support lengthy work to carry out lathe operations.
• To hold cutting tools like drills, reamer, and drill chucks provided with taper shank.

Head Stock:

• To provide a means to assemble the work-holding devices.
• Transmit the drive from the main motor to the work.
• To accommodate shaft, gears, and levers for a wide range of varying work speeds.
• To ensure arrangement for lubricating the gears, shafts, and bearings.

Tool post

• The tool post is located on top of the compound slide rest.
• It is used to hold the tools rigidly.
• Tools are selected according to the type of operation and are mounted on the tool post and adjusted to a convenient working position.
• The tool is provided with the following three movements by the carriage.
  • Longitudinal feed – with the help of the carriage movement (parallel to the axis of work)
  • Crossfeed – with the help of the cross-slide movement (perpendicular to the axis of the work)
  • Angular feed – With the help of the compound slide movement is positioned at an angle to the axis of the work.

Cross Slide 

• The cross-slide is mounted on the top of the saddle, and it provides cross-movement for the tool. 
• This is fitted at right angles to the bed and is moved by means of a screwed spindle, fitted with a handle.

​