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  #11  
Old 05-02-2013, 08:53 AM
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Patriot Services Patriot Services is offline
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Future advice. On spindle mounts, blades or anything else subject to corrosion I use premium bolts. Step up to grade 8 or stainless fasteners. Removing broken bolts is one of my least favorite, avoidable repairs.
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Old 05-02-2013, 07:44 PM
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Nate'sLawnCare Nate'sLawnCare is offline
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Quote:
Originally Posted by Patriot Services View Post
Future advice. On spindle mounts, blades or anything else subject to corrosion I use premium bolts. Step up to grade 8 or stainless fasteners. Removing broken bolts is one of my least favorite, avoidable repairs.
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I would agree with the grade 8, but I avoid stainless fasteners on applications where they are removed and reinstalled repeatedly. The stainless does not do well in those types of situations, the threads deteriorate and the bolt may get stuck in place after repeated removals. I always put a little grease or never-seize on spindle bolts before reinstalling.
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  #13  
Old 05-04-2013, 09:24 PM
BleedingGreen BleedingGreen is offline
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Originally Posted by Patriot Services View Post
Future advice. On spindle mounts, blades or anything else subject to corrosion I use premium bolts. Step up to grade 8 or stainless fasteners. Removing broken bolts is one of my least favorite, avoidable repairs.
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While I like stainless steel hardware for rust related issues, NEVER use stainless in any applications that are under a lot of stress, jarring/jolts, certainly not to hold a spinning mower blade on. Stainless is rather brittle in comparison to other metals and have a tendency to snap or shear off under these conditions. A zinc coated grade 8 bolt with anti-seize is the best option.
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  #14  
Old 05-04-2013, 09:41 PM
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Patriot Services Patriot Services is offline
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Originally Posted by BleedingGreen View Post
While I like stainless steel hardware for rust related issues, NEVER use stainless in any applications that are under a lot of stress, jarring/jolts, certainly not to hold a spinning mower blade on. Stainless is rather brittle in comparison to other metals and have a tendency to snap or shear off under these conditions. A zinc coated grade 8 bolt with anti-seize is the best option.
Stainless fasteners are available in many grades and far from weak or brittle. Grade tells the whole story. Zinc coatings will chip off just from wrenching and anti seize will give false torque readings. There's a reason why its used so much in aerospace and weapons manufacturing and its not just corrosion resistance.
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Last edited by Patriot Services; 05-04-2013 at 09:46 PM.
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