On 5/26/17 1:14 PM, Bob wrote:
Hello,

Forgot to ask previously.

Is the Bolt that holds the blade on typically
counter, or reverse threaded ?

Have a several year old Toro Single Blade 22" walk behind lawnmower
Model 20005 (GTS Recycler):

Thanks,
Bob

No, but they are usually very tight, requiring a breaker bar, or
impact wrench, to remove. Some WD-40 or PB Blaster helps also.