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roche1800



Member Since: 07 Apr 2020
Location: derbyshire
Posts: 246
Rear Cross Member Replacement Bolts - Stainless
What spec/grade of torx bolts would you recommend please?
Post #840492 29th Jun 2020 5:18pm
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rallysteve



Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2201
United Kingdom 2002 Defender 110 Td5 DCPU Keswick Green
Most of the kits you get (YRM etc) will be A4-80 grade with ISO 14583 style torx heads (domed)

Steve 02' 110 TD5 Double Cab Rebuild Thread
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Post #840494 29th Jun 2020 5:35pm
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Green Machine



Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226
United Kingdom 2005 Defender 90 Td5 CSW Tonga Green
Which ones? The pairs across the top of the cross member securing the body? Or the pairs at the outer ends securing the seat belts brackets (only on Station Wagons with rear seats)?

The ones along the top securing the body can be A2-70, the ones at either end should probably be A4-80 (higher tensile strength).

Also consider hex socket head cap screws as well as Torx, personally I prefer them as I find they are less susceptible to 'rounding out' than Torx. Totally down to personal preference, and I can see why you would like to stick with the original look of Torx. I just find better purchase with a hex driver than a Torx driver.

It is also worth using a nylon washer behind the stainless bolt head and stainless washer to isolate it from the aluminium panel and coating the bolt / screw threads in something like Weicon ceramic assembly paste, otherwise oxidation of the aluminium panel is accelerated at the bolt head (ask me how I know!). 2005 Td5 | 90 Station Wagon | Tonga Green
Post #840498 29th Jun 2020 5:47pm
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