Battery Wing Nuts

 Does anybody know what thread size and type the wing nuts on Century MArine Pro battery are?

 

Want to change from having the accessories hanging off the main bolt and on to their own spot on the threads, but no wing nuts !


Posts: 812

Date Joined: 09/10/06

 5/16th unc l think. 

Sun, 2016-09-11 14:22

 5/16th unc l think. 

Posts: 563

Date Joined: 27/08/09

 I would have thought they

Sun, 2016-09-11 15:32

 I would have thought they would be metric by now.

As for wingnuts, Throw them as far as you can. They are the cause of so many elecrical problems as they cant be tensioned up correctly.

Get hold of the correct size SS nylock nuts, or use SS nuts and a SS spring washer.

Posts: 812

Date Joined: 09/10/06

 My batteries are 3 years old

Sun, 2016-09-11 15:37

 My batteries are 3 years old and the terminals are imperial 

Posts: 439

Date Joined: 06/02/14

SS?

Sun, 2016-09-11 15:43

 Is stainless OK to mix with the lead posts?

Posts: 563

Date Joined: 27/08/09

SS is fine. SS hardware is

Sun, 2016-09-11 15:59

SS is fine. SS hardware is supplied as standard with a lot of batteries.

ranmar850's picture

Posts: 2702

Date Joined: 12/08/12

Haven't ever struck metric on battery terminals..

Sun, 2016-09-11 17:59

 I replaced my wing nuts with 9/16 and 1/2 AF, from memory.

Marineboy's picture

Posts: 840

Date Joined: 14/03/14

Size

Tue, 2016-09-13 15:39

thats a spanner size ranmar not a thread size haha, af stands for across the flats. 

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 My spots are so secret even the fish don't know about them !

Willlo's picture

Posts: 1490

Date Joined: 07/10/11

 Mate drop into any battery

Mon, 2016-09-12 09:23

 Mate drop into any battery shop and ask ,they will have heaps stashed away. Well at our shop we do anyway.

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Haynes Hunter Prowler CC

 

Jackfrost80's picture

Posts: 8050

Date Joined: 07/05/12

Ditch the wing nuts mate as

Tue, 2016-09-13 19:19

Ditch the wing nuts mate as Starbug said

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Officially off the Pies bandwagon