moose Posted September 29, 2009 Share Posted September 29, 2009 Was trawling the web looking at online shops in the US and came across these.. thought they would be a perfect solution for the lower radius and trailing links when using poly type bushes.. bit of grease now and then would(might) stop the bush insert some times welding its self to the bolt making them a pain to change in the field. Is this a good idea? any one know a supplier in this country who would do land rover size? Quote Link to comment Share on other sites More sharing options...
Les Henson Posted September 29, 2009 Share Posted September 29, 2009 I've not seen them before, but a damned good idea. Les. Quote Link to comment Share on other sites More sharing options...
landrover598 Posted September 29, 2009 Share Posted September 29, 2009 I've got lots of experience with greasble pins, mostly making replacements as they've snapped across the grease hole Mostly on small pins , down to 20mm, and even on 50mm pins) Quote Link to comment Share on other sites More sharing options...
ciderman Posted September 29, 2009 Share Posted September 29, 2009 They are common to small plant, but Personaly I would not use them on any suspension application as the bolt strength is greatly reduced by having a cross drill across both axis of the bolt . Quote Link to comment Share on other sites More sharing options...
Phil Hancock Posted September 29, 2009 Share Posted September 29, 2009 Whats wrong with a good slatherin of copper grease when assembling? Quote Link to comment Share on other sites More sharing options...
pinny Posted September 29, 2009 Share Posted September 29, 2009 like its been said we run some mini excavators with this sort of pin and thay have a tendency to snap where thay have been drilled especially if there not greased and the pin tends to snatch,chris. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted September 29, 2009 Share Posted September 29, 2009 Some Volvo 303 suspension bolts are waisted slightly to prevent dragging on the inside of the bush & allow a good fill of grease. Quote Link to comment Share on other sites More sharing options...
bishbosh Posted September 29, 2009 Share Posted September 29, 2009 Hollow bolts are fine if the conntiiton is designed with their use in mind. Retro fitting them to a connection not designed for them would be a bad idea in my opinion unless you can demonstrate that the replacement bolt is stronger than the bolt it replaces. Even then, given the reports of them failing, I don't think I would bother. I just pull the bolts "every so often" and re-grease them with copperslip, Quote Link to comment Share on other sites More sharing options...
ejparrott Posted October 1, 2009 Share Posted October 1, 2009 Agreed, if designed to have a cross-drilled pin, its fine, but the bolt has to be bigger than normal when its designed to use one like this, to maintain the strength. I wouldn't use them on my suspension. Quote Link to comment Share on other sites More sharing options...
lrfarmer Posted October 1, 2009 Share Posted October 1, 2009 i seen them on farm stuff but i've see 20mm bolts snap as the drill hole is a weak spot Quote Link to comment Share on other sites More sharing options...
freeagent Posted October 1, 2009 Share Posted October 1, 2009 ^^^ what they said, fine in an application thats designed for it, but wouldn't trust it on suspension. the cross drilled hole is a fatigue failure waiting to happen.. Quote Link to comment Share on other sites More sharing options...
moose Posted November 19, 2009 Author Share Posted November 19, 2009 Just thought i would drag this thread up again in case any one was interested... I see that see now some one sells theses link to the devon 4x4 website for the use in custom suspension link joints guessing they are imported as there is only one size and its a imperial.... Quote Link to comment Share on other sites More sharing options...
plasticbadger Posted November 20, 2009 Share Posted November 20, 2009 I think it's a very strange idea for use with the Johnny Joints. When using with bushes you want the assembly to rotate at the bolt/bush sleave interface, but in a joint application you want the assembly to rotate in the joint, so geasing the bolt shouldn't have any advantage. This type of bolt is good for leaf spring applications, where bush movement is key to flex, but for all the reasons given above I wouldn't use one with a joint. Moosey, I've never had a problem with just copper slipping everything when you put it together, maybe you don't take enough care when you build your junk? (I know, at least you have junk and so on....) Quote Link to comment Share on other sites More sharing options...
zim Posted November 20, 2009 Share Posted November 20, 2009 We use these at work for non load bearing applications. OR sometimes for hard to reach places we unscrew a bolt, stick one of these in, grease the shaft or whatever it is behind, then put the normal bolt back in G Quote Link to comment Share on other sites More sharing options...
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