bert02 0 #1 Posted July 3, 2023 DOES ANYONE KNOW THE THREAD SIZE AND PITCH FOR EACH END OF THE 17MM MOWE4R SPINDLE SHAFT? TOP NUT AND BLADE NUT. Share this post Link to post Share on other sites
cleat 7,027 #2 Posted July 4, 2023 Top is 5/8-18 UNF Bottom is 3/4-16 UNF At least that is what my 48" deck is. 2 Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,243 #3 Posted July 4, 2023 8 hours ago, cleat said: Top is 5/8-18 UNF Bottom is 3/4-16 UNF At least that is what my 48" deck is. and wrench sizes are in most cases but not always 50% larger than the thread diameter 5/8" diameter thread plus 50% = 5/8"+5/16" = 15/16" wrench size 3/4" diameter thread plus 50% = 3/4"+3/8" = 1-1/8" wrench size 7 Share this post Link to post Share on other sites
Ed Kennell 40,468 #4 Posted July 4, 2023 6 minutes ago, gwest_ca said: and wrench sizes are in most cases but not always 50% larger than the thread diameter 5/8" diameter thread plus 50% = 5/8"+5/16" = 15/16" wrench size 3/4" diameter thread plus 50% = 3/4"+3/8" = 1-1/8" wrench size Interesting, I never realized this. 2 Share this post Link to post Share on other sites
ri702bill 8,967 #5 Posted July 4, 2023 36 minutes ago, gwest_ca said: and wrench sizes are in most cases but not always 50% larger than the thread diameter 5/8" diameter thread plus 50% = 5/8"+5/16" = 15/16" wrench size 3/4" diameter thread plus 50% = 3/4"+3/8" = 1-1/8" wrench size Hmmm... holds true for a 3/8" or 1/2" thread, but not for 1/4" or 5/16" threads... Kind of along the line of selecting the proper diameter tap drill for metric threads. Subtract the pitch from the major diameter, there you go. The tap drill for M6x1 is 5mm, and so on... 1 Share this post Link to post Share on other sites
