Drilling through holes/Drilling practise fitter workshop trade practical

Drilling is a cutting operation and produces round holes in metallic or non-metallick materials. The holes are cut through by means of a cutting tool called a drill on a Drilling machine. This video discussion Drilling, step of operations, Tools & equipment, Safety, etc. Make a hole used tools --1) Drill chuck 2) Drill machine 3) straight shank Twist Drill -10 m.m diameter 4) steel Rule 5) Ballpein Hammer 250 g.m 6) Centre punch 7) soluble oil 8) vernier caliper etc, (ITI Fitter trade practical)

[@snigdhamoychakraborty9960]

Khub vlo sir.....

[@SubrataMondal-hw3ew]

Ph no??