Mad Harold Posted May 16, 2019 Report Share Posted May 16, 2019 Got a squeaking groaning tiller.Where there should be a grease nipple,there is a screw. Took it to my local fastenings supplier and found it to be,3/16 Whitworth which they didn't have. Have found a supplier on the web with 5/16 Whitworth nipples but no 3/16. There are some suppliers with 3/16 push fit nipples, and I wonder if these will do the job. Anyone know? Otherwise I will have to drill and tap to a more readily available size. Not a job I fancy because it is in a most awkward place. Link to comment Share on other sites More sharing options...
Chris G Posted May 16, 2019 Report Share Posted May 16, 2019 Are you sure that they're not BSP (same thread form as Whitworth, I think)? Link to comment Share on other sites More sharing options...
Mad Harold Posted May 16, 2019 Author Report Share Posted May 16, 2019 52 minutes ago, Chris G said: Are you sure that they're not BSP (same thread form as Whitworth, I think)? seems 3/16 BSP are as rare as Whitworth on the web. Going to order 3/16 drive in nipples as they are only £3-45 for 10,and try one before drilling and tapping. Link to comment Share on other sites More sharing options...
OldGoat Posted May 16, 2019 Report Share Posted May 16, 2019 Sometimes a bit of 'furtling' = judicious bodging can produce a practical result. I was lucky as I had a couple of nipples left over from PVT car days, one of which could be persuaded to do the job. After all - provided that the nipple stays attached and doesn't fall out or lets too much grease out - the job is done ?? thinks - could it be that a supplier of 'vintage' car parts might have a solution? Ay port in a storm... Link to comment Share on other sites More sharing options...
Flyboy Posted May 16, 2019 Report Share Posted May 16, 2019 1 hour ago, Chris G said: Are you sure that they're not BSP (same thread form as Whitworth, I think)? BSP is not the same as Whitworth. Link to comment Share on other sites More sharing options...
Drayke Posted May 16, 2019 Report Share Posted May 16, 2019 If you can’t find a grease nipple to fit, how about using a pipette filled with grease and try squirting it in whilst moving the tiller arm back and forth. Link to comment Share on other sites More sharing options...
Flyboy Posted May 16, 2019 Report Share Posted May 16, 2019 4 hours ago, Mad Harold said: Got a squeaking groaning tiller.Where there should be a grease nipple,there is a screw. Took it to my local fastenings supplier and found it to be,3/16 Whitworth which they didn't have. Have found a supplier on the web with 5/16 Whitworth nipples but no 3/16. There are some suppliers with 3/16 push fit nipples, and I wonder if these will do the job. Anyone know? Otherwise I will have to drill and tap to a more readily available size. Not a job I fancy because it is in a most awkward place. I don't recall 3/16" BSP ever existing, it goes fron 1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", Link to comment Share on other sites More sharing options...
Boater Sam Posted May 16, 2019 Report Share Posted May 16, 2019 All the flanged bearings I have seen recently are metric, 6mm 1.25mm pitch. How old is this bearing? We went metric in the 1970s. In small sizes Whitworth are a similar pitch to metric but a different thread form. Link to comment Share on other sites More sharing options...
WotEver Posted May 16, 2019 Report Share Posted May 16, 2019 Page 4 of this pdf (and page 6, 8 etc) shows the various sizes of imperial threads that are available for nipples. https://mdmetric.com/prod/umeta/grease_nipples_from_UMETA_catalogue_GK84-E_04-2012-2.pdf And pages 3, 5 etc shows the metric sizes. 2 minutes ago, Boater Sam said: All the flanged bearings I have seen recently are metric, 6mm And M6 is pretty darned close to 3/16” Link to comment Share on other sites More sharing options...
Flyboy Posted May 16, 2019 Report Share Posted May 16, 2019 25 minutes ago, WotEver said: Page 4 of this pdf (and page 6, 8 etc) shows the various sizes of imperial threads that are available for nipples. https://mdmetric.com/prod/umeta/grease_nipples_from_UMETA_catalogue_GK84-E_04-2012-2.pdf And pages 3, 5 etc shows the metric sizes. And M6 is pretty darned close to 3/16” I think you mean M5. 3/16" is 4.7625mm Link to comment Share on other sites More sharing options...
WotEver Posted May 16, 2019 Report Share Posted May 16, 2019 9 minutes ago, Flyboy said: I think you mean M5. 3/16" is 4.7625mm I think you’re right Link to comment Share on other sites More sharing options...
ditchcrawler Posted May 16, 2019 Report Share Posted May 16, 2019 Are you 100% sure the thread you are looking at is actually intended to take a grease nipple, Is it a ball bearing on your tiller? Link to comment Share on other sites More sharing options...
bizzard Posted May 16, 2019 Report Share Posted May 16, 2019 If you heat the grease until fluid and bend up a bit of a funnel thing out of a bean tin to pour it into the side hole. Probe the hole clear first with a bit of wire, the opened out end of a split pin is good for that. The fluid grease will thicken again as it cools. Link to comment Share on other sites More sharing options...
adrianh Posted May 16, 2019 Report Share Posted May 16, 2019 3/16 and 1/4 inch unc threads are used on some cheap flanged bearings, also m5 but this is a fine thread. Try bike and motorbike parts suppliers. If no luck pm me and I will see if I have anything If the bearing is that bad then you may be better to fit a new insert. All of the above assumes it is a 2 or 4 bolt cast unit with self aligning bearing. Link to comment Share on other sites More sharing options...
matty40s Posted May 16, 2019 Report Share Posted May 16, 2019 2 hours ago, Boater Sam said: We went metric in the 1970s. No we didnt, some metric things were introduced and some weren't, we kept the pint, foot, mile, mph, 1500m final never caught on, unless Seb Coe was beating Steve Ovett, metric is something slipped in but never actually trusted by the British public. Link to comment Share on other sites More sharing options...
ditchcrawler Posted May 16, 2019 Report Share Posted May 16, 2019 Good old BSW used all over the world (sort of) Link to comment Share on other sites More sharing options...
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