_________________ are intended for power drilling use only, the centre point locates the bit and the flat steel on either side cuts away the timber.

_________________ are intended for power drilling use only, the centre point locates the bit and the flat steel on either side cuts away the timber. Correct Answer Flat wood bits

Flat wood bits are used to drill fairly large holes and they give a flat bottom hole, so are ideal where the head of screw or bolt needs to be recessed into the timber. Always use these bits before drilling the clearance hole for the Bolt.
Bissoy MCQ

Related Questions

A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The moment of resistance of the beam for the same maximum permissible stress $$\sigma $$ in timber and steel will be (where Young's modulus of steel is m times that of the timber).