Pitch selection for Hacksaw Blade:
For soft materials such as bronze, brass, soft steel, cast iron, heavy angles etc. use a 1.8 mm pitch blade.
For tool steel, high carbon, high speed steel etc. use a 1.4 mm pitch. For angle iron, brass tubing, copper, iron pipe etc. use a 1 mm pitch blade.
For conduit and other thin tubing, sheet metal work etc. use a 0.8 mm pitch.
68) For cutting thin tubing, the most suitable pitch of the hacksaw blade is
Answer is:
0.8 mm
Explanation:
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