Spot facing is a machining operation for producing a flat seat for bolt head, washer or nut at the opening of a drilled hole. The tool is called a spot facer or a spot facing tool. Spot facing is similar to counter-boring, except that it is shallower. Tools that are used for counter-boring can be used for spot facing as well.
44) Spot-facing is done to
Answer is:
Make surface flat so that bolt head can take proper seat on the surface
Explanation:
Related Cutting Tools MCQ - Turner (Set-1) with Answers
Answer is:
Preventing digging of the ends of cutting edge
Answer is:
Material to be drilled
Explanation:
The point angle of a general purpose (standard) drill is 118°. This is the angle between the cutting edges (lips). The angle varies according to the hardness of the material to be drilled.
Answer is:
118 Degree
Explanation:
For general purpose use point angle of twist drill is 118 Degree.
