Collet chuck
Draw-in-bar
Boring head
Stub arbor
Collet
'T' bolt
Boring bar
Hardness
Toughness
Resistance to wear
All the above
Softness of material to be machined
Hardness of material to be machined
Toughness of material to be machined
Brittleness of material to be machined
Wide surfaces
Narrow surfaces
'T' slots
'V' grooves