- Grit or grain: it indicates the size of the abrasive grains used in making a wheel
- coarse wheels are used for fast removal of materials and for soft and ductile materials
- fine grain wheels are used to grind hard and materials.
denoted y the 'A' -softest and 'Z'-the hardest .hard wheels are recommended for soft materials and soft wheels are recommended for the hard materials.
3. Structure or grain spacing: the structure refers to the number of cutting edges per unit area of wheel face as well as to the number and size of void spaces between grains.
denoted by numbers.
soft,tough and ductile materials and heavy cuts require an open structure where as hard and brittle materialsand finishing cuts require a dense structure
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From Alghero we headed north to Porto Torres from where our next ferry would depart. Once again we crossed some interior island landscapes which are like night-and-day compared to the coast. Sparsely inhabited with extensive dryland agriculture practice, as seen in the sheep grazing above. Sydney Cheapest Tyres
Bhai ye void kya cheez hota hai bta skte hoo
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