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  #1  
Old 03-08-2001, 10:30 PM
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Vibe Ray Vibe Ray is offline
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Which grade bolt is the best for the blade bolt that holds the blade to the spindle?
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  #2  
Old 03-08-2001, 10:33 PM
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Did you get your ZTR yet?
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Old 03-08-2001, 10:48 PM
Grateful11 Grateful11 is offline
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I think most decks use Grade 5, that's 3 marks on the head. You could just as easily use grade 8, that's 6 marks on the head. The 8's would wear down slower than the 5's and would probably cost 50% more. I like to put a little anti-seize on mine and torque them.
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Old 03-08-2001, 10:53 PM
Eric ELM Eric ELM is offline
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The bolts that come with it should be heavy enough. As Bob said, did you get it yet?
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  #5  
Old 03-09-2001, 01:26 AM
mowingmachine mowingmachine is offline
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What size bolt does it come with and also what size blade is on the machine. Does it have a blade saddle or is it friction held. I would assume it comes with a grade 5 at least that is what most manufacturers use as standard hardware.
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  #6  
Old 03-09-2001, 07:54 AM
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mowerman90 mowerman90 is offline
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Go with grade 8. Better to be safe than sorry. Pick'm up at any hardware store or Home Depot.
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  #7  
Old 03-09-2001, 11:47 AM
mowingmachine mowingmachine is offline
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Grade 8 is a much harder bolt then grade 5 but that is why I asked the question about blade size and whether it is supported in a saddle or friction held. Being a harder steel means a more brittle steel that when shock loaded will crack instead of bend. Basically a harder steel is more brittle and not as flexable. If the bolt is say 1/2" or greater I would be satisfied and feel safer with a grade 5 bolt. I would rather stretch or bend a bolt then break one. Just my thoughts.
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  #8  
Old 03-09-2001, 08:09 PM
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Vibe Ray Vibe Ray is offline
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Yes Mowing machine, that is what I am talking about....Which grade is the best combination of hardness and softness for a mower blade. Grade 8 is not necessarily better than a grade 5 in all applications. That is why I am asking which grade is the best for LAWNMOWERS.
MowingMachine or anyone else who knows, it is for a Lazer HP not quite sure yet what the bolt size is, so just name the best grade for all the possible size bolts for a mower blade bolt
Thanx!!!
Bob, I should get it in about a week......can't wait!!!
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Exmark Lazer HP (44" w/ 19 HP Kaw)
Echo SRM-2601
Echo PB-603
Echo PE-3100
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  #9  
Old 03-09-2001, 08:40 PM
Ssouth Ssouth is offline
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grade 5 for exmark, that is what came from the factory on both of mine. I have bought extra bolts that are 1/2 in. longer for double blades and the regular lenth. IN both cases I purchase grade 5.. I am sure exmark did research so I am sticking with what they use.
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  #10  
Old 03-09-2001, 09:00 PM
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Vibe Ray Vibe Ray is offline
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Thank you Ssouth......anyone else?
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Exmark Lazer HP (44" w/ 19 HP Kaw)
Echo SRM-2601
Echo PB-603
Echo PE-3100
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