Question 1 Parts of a drill bit
![Drill-bit geometry: (a) twist drill bit and (b) drill-bit tip [11] | Download Scientific Diagram](https://lh4.googleusercontent.com/jC06i_j9k4LlZmZzAgyYEIj21wUI7a8fOdZpoTCqurgUpqX85EYvdVD7KFH4XTrqEfB1S_vAsN6_q5Wmtbc0uQRi25jLwPgOTo9TjMI0SvYvMWYQwrGugsq-kedGGogfsPXJYIpE=s0)
Question 2 what drill bit is made from
Drill bits made for steel, aluminium, copper, cast iron, sheet metal, fibreglass, brick, vinyl flooring
Question 3 four points needed for a ground drill
base, column (or pillar), adjustable table, spindle, chuck, and drill head
Question 4 lubricant is required mild mild steel aluminium
lithium grease
Question 5 how are drills identified
A power tool hole
Question 6 draw a more taper drill shank

Question7 countersink drill used for
countersinking drill holes, countersinking screws and deburring.
Question 8 countersink drill shan drawing

Question 9 drilling steps
Preparation. Preparing a drilling site involves ensuring that it can be properly accessed and that the area where the rig and other equipment will be placed has been properly graded.
Drilling. Vertical Drilling.
Well Completion
Production
Well Abandonment
Question 10 drawing of a hole from a drill bit
