Reading a wood cutting blade specification

[abdulbadii]

TL;DR Summary

How to read and understand a wood cutting blade specification

How do we read and understand a wood cutting blade specification (e.g. below) ?
Is the grinder spacer flange nut for 16 mm center diameter metal cutting disc can safely be used for 20 mm one of such blade?

 

[Baluncore]

Is the grinder spacer flange nut for 16 mm center diameter metal cutting disc can safely be used for 20 mm one of such blade?

The spacer is NOT used with a 20 mm spindle.
The spacer is used when the spindle is 16 mm.
The spacer is used to center the saw blade on the spindle while the flange nut is being tightened. The flange nut must be big enough to retain the 20 mm blade.

 

[Tom.G]

72T = 72 Teeth per inch total around the blade
4" = Diameter in inches
1.1mm = not sure on this, either blade thickness OR kerf width (width of the cut)
20mm = bore (central hole) diameter

HSS = blade material, High Speed Steel

 

[Rive]

...grinder ... cutting disc can safely be used

I cannot really add anything about the original question, but ... well, these kind of saw blades just cannot be used safely on a (handheld) grinder.

Especially in the frequently used configuration, without the guard.

 

[Averagesupernova]

72T = 72 Teeth per inch

Think more carefully about this.

 

[berkeman]

I cannot really add anything about the original question, but ... well, these kind of saw blades just cannot be used safely on a (handheld) grinder.

Wait, what?

Is the grinder spacer flange nut for 16 mm center diameter metal cutting disc can safely be used for 20 mm one of such blade?

What in the world are you trying to do?

 

[Rive]

Wait, what?

link (sorry, members only - but the excerpt and the picture tells everything you need to know).

There are ways to (safely) use grinders with saw blades, but I think it's better to have a warning here.

 

[berkeman]

link (sorry, members only - but the excerpt and the picture tells everything you need to know).

Holy Crap! Here, hold my beer for a minute...

 

[anorlunda]

Battlebots?

 

[Tom.G]

72T = 72 Teeth per inch

Think more carefully about this.

Oops! You're right. That is a TOTAL of 72 Teeth around the blade.
Corrected.

Thanks for the catch!

 

[DaveE]

Other specs not shown in your photo relate to the blade teeth (shape, angles, application, etc.). There's lots of info on the web if you want to look into it yourself. Here's one of the first results from my search:
https://www.woodcraft.com/blog_entries/choosing-the-right-table-saw-blades