Some of the links on this forum allow SMF, at no cost to you, to earn a small commission when you click through and make a purchase. Let me know if you have any questions about this.
The 333 uses #10 / #12 parts. Apparently, some old units had a Rectangular Stud and hole in the Blade. The source below suggest replacing the stud with a common Square Stud. I have no idea if that is possible or not. Anyway here is a source...JJ