Marge Posted November 2, 2011 Report Share Posted November 2, 2011 I'm doing a bit of housekeeping on a 600 SRAD i've just bought. The caliper bolts are a bit manky, has anyone tried the stainless pro-bolt ones off the ebay? Link to comment Share on other sites More sharing options...
davosaurusrex Posted November 2, 2011 Report Share Posted November 2, 2011 Got some on my GSXR, they do look to be very high quality but you'd bloody well hope so for the money! Link to comment Share on other sites More sharing options...
Kayla Posted November 2, 2011 Report Share Posted November 2, 2011 I've got grade 5 Ti M10 x 1.25 x 30 bolts in stock for £9.99 a pair. Link to comment Share on other sites More sharing options...
slaveunit Posted November 2, 2011 Report Share Posted November 2, 2011 I put titanium on mine, it cost more but they are the best. Stainless ones are just as good tho, but guaruntee probolt stuff rather than just stainless as you can ensure the quality. My site is a pro-bolt dealer, pm me and I can get them direct from probolt for you. Link to comment Share on other sites More sharing options...
bezzer Posted November 3, 2011 Report Share Posted November 3, 2011 I've got grade 5 Ti M10 x 1.25 x 30 bolts in stock for £9.99 a pair. Bargain A4 stainless hasn't got the tensile strength of 8.8 HT steel and not as good as A2 for fasteners, just got more corrosion resistance really in marine/surgical applications. You commonly find 8.8 and 10.9 HT for caliper fixing, I've seen about half a dozen "necked" and/or snapped 8.8 caliper bolts and there's no way I'd use a replacement weaker stainless one. Proper HT or Ti every time. Pro Bolt are the only main supplier I've seen that will sell Stainless caliper mounting bolts, the majority of others know what's what and wouldn't entertain them....apart from the fleabay chancers. Link to comment Share on other sites More sharing options...
Superdunc Posted November 4, 2011 Report Share Posted November 4, 2011 Bargain A4 stainless hasn't got the tensile strength of 8.8 HT steel and not as good as A2 for fasteners, just got more corrosion resistance really in marine/surgical applications. You commonly find 8.8 and 10.9 HT for caliper fixing, I've seen about half a dozen "necked" and/or snapped 8.8 caliper bolts and there's no way I'd use a replacement weaker stainless one. Proper HT or Ti every time. Pro Bolt are the only main supplier I've seen that will sell Stainless caliper mounting bolts, the majority of others know what's what and wouldn't entertain them....apart from the fleabay chancers. Unbreko's by any chance? I'm sure Probolt Stainless bolts are up to the job, perfectly possible to get stainless in grades that are equivilant or higher strength to that of a HT 8.8 bolt. Link to comment Share on other sites More sharing options...
bezzer Posted November 4, 2011 Report Share Posted November 4, 2011 Unbreko's by any chance? I'm sure Probolt Stainless bolts are up to the job, perfectly possible to get stainless in grades that are equivilant or higher strength to that of a HT 8.8 bolt. There are "exotic" stainless types that have increased HT levels....but ProBolt only advertise 316 or A4 ones which is bog standard spec, nothing special about them at all. If it was any better/stronger it wouldn't be 316/A4. 8.8 is the minimum you will see as an OE caliper bolt, the standard stainless types are a bit under this, plenty more use 10.9 as OE which the "standard" stainless types can't get near. Link to comment Share on other sites More sharing options...
Alex_H Posted November 4, 2011 Report Share Posted November 4, 2011 Interesting. Got Probolt SS caliper bolts on my bike. I wonder if they've ever had any failures. Link to comment Share on other sites More sharing options...
Superdunc Posted November 6, 2011 Report Share Posted November 6, 2011 There are "exotic" stainless types that have increased HT levels....but ProBolt only advertise 316 or A4 ones which is bog standard spec, nothing special about them at all. If it was any better/stronger it wouldn't be 316/A4. 8.8 is the minimum you will see as an OE caliper bolt, the standard stainless types are a bit under this, plenty more use 10.9 as OE which the "standard" stainless types can't get near. Fair point, I didn't realise they used 316 stainless. Do the maths on a typical M10x1 caliper bolt even made from 316 there's plenty of margin fo safety, my fag pack calcs say about 2.5 tonnes yeild point per bolt. Link to comment Share on other sites More sharing options...
Thom_1991 Posted November 7, 2011 Report Share Posted November 7, 2011 I got probolt stainless ones and then spotted Kayla's ad and wished i'd got titanium bolts for less. No brainer as they say. Link to comment Share on other sites More sharing options...
bowman Posted November 24, 2011 Report Share Posted November 24, 2011 I've got grade 5 Ti M10 x 1.25 x 30 bolts in stock for £9.99 a pair. Hi, would you happen to do disk bolts for ans Aprilia Rs 250? Link to comment Share on other sites More sharing options...
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