engineering recuitment NCRTC Junior Maintainer Mock Test Series 2025 Fitter Machining Drilling and Reaming
The drill sleeves or sockets are available with Morse taper and their number range MT-1 to MT-5. Which of the following drill size refers to MT-4 _________?
1
Drills above 14 mm up to 23 mm
2
Drills above 23 mm up to 31.75 mm
3
Drills above 31.75 mm up to 50.50 mm
4
Drills above 50.50 mm up to 76 mm