Activity 2 – 24530 (v2) Identify, select, maintain, and use portable power tools for BCATS projects

Student name:

What materials are the cheapest drill bits made of?

What is the disadvantage of using this type of drill bit?

What is the most common type of quality general-purpose drill bit?

Describe the advantage of the centre-point drill bit for drilling in timber:

What type of drill bit is needed to drill into concrete?

What type of power drill do you need to drill through concrete?

You need to drill a hole in a narrow, confined space. What type of power drill would you use?

What are the possible consequences of trying to hold small objects in your hands when drilling?

Identify 4 safety rules that should be observed when using a portable power drill:

(i)
(ii)
(iii)
(iv)

When drilling a hole in a piece of metal using a large-sized bit, what is the possible injury to the operator if the drill jams?

Identify THREE common actions that can cause a drill bit to break:

(i)
(ii)
(iii)

To obtain a tidy finish, what can you do to avoid splintering the exit hole?

You have been instructed to drill a 38mm hole through a piece of 10mm MDF. What type of drill and drill bit should you choose? Give reasons for your choice:

Type of bit:

Reason: