RDB85

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Nov 23, 2017
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Any recommendations on a screwdriver for roofing bolts? I’ve a 5.5mm flat head and an 8mm but they don’t seem to do it.

I’ve seen this below but it’s very expensive:

 
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I’ve found this in B&Q I’ve just got wait for stock as none of the stores by myself have any:


 
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The trouble you may have is that the blade is too fat to sit in the groove. I'd take a bolt into a store and have a good match-up before parting with two beers.

Not a bad idea. It’s mainly for bell boxes. The older ones have M6 bolts in them. I can’t see any slimmer tip screw drivers.
 
I have an old massive Stanley screwdriver with about a 11-12 mm slotted head which fits roof bolts perfect

I paid 20 pence for it at the local bootfare
 
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No

Its an old 100 series acyclic handle one , its massive about 16 inches long
EBay:


 
I also looked for an 11mm square socket for driving the typical roofing nuts, though in recent times I have got flanged nuts instead (oh-er!) that take a standard 10mm hax socket, etc.

Never found one, mostly square (or bi-square) sockets are massive impact things for the railway industry
 
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EBay:


Yeah its llike the second one , but a much bigger version. as i say its absolutely massive , biggest screwdriver I have ever seen.
I wouldn't pay £20-25 for it thou.
 
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Roofing bolts now have 10mm serrated nuts with a PZ2 head now don’t they? Not seen old school ones for years.
 
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A long while ago I made a roof bolt driver from an old 16mm spade bit, grind the pointy tip off and the cutting edges of the bit until flat! Works a treat and it has a 6mm hex shank so will work in the impact driver or 6mm hand driver!
 
These are the ones we often get:
They have traditional shallow slot head but the serrated flange nuts. They also offer them in hot-dipped galvanised for outdoor stuff:
(in reality the look a lot duller and rougher than the photo there)
 
These are the ones we often get:
They have traditional shallow slot head but the serrated flange nuts. They also offer them in hot-dipped galvanised for outdoor stuff:
(in reality the look a lot duller and rougher than the photo there)


Hex nuts are something of a luxury 😂

CEF. I know that’s a swear word on here but my branch is great.

Local branches stock only std roofing bolts from Olympic Fixings.
 
Roofing bolts now have 10mm serrated nuts with a PZ2 head now don’t they? Not seen old school ones for years.
Nice, only the cheap rubbish version available locally, with horrible square 0.5mm thick nuts. I usually use mushroom head hex screws and serrated nuts now.
 
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Best screwdriver for old style flat head roofers is, of course, someone else’s.

😉
 

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RDB85

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If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
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Trainee Electrician

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Title
Screwdriver for M6 Roofing Bolts
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Electrical Tools and Products
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RDB85,
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