1969Mk3Spitfire Posted August 24, 2021 Report Share Posted August 24, 2021 Only recently noticed that one of my drums has only one retaining screw. Does anyone know the screw size? Are they commonly available at motor factors, Halfords etc without having to incur postage far greater than the value of the goods? I tried the thread on the missing screw and it became tight so probably best to run a tap through it first, hence I need to know thread size. Many thanks. Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 24, 2021 Report Share Posted August 24, 2021 V5435 is 1/4unf it only holds the drum on when the wheels are off it has no relevance to the braking and really diesnt matter if its missing . its main objective is to stop the drum falling of on production or any wheel off situation do make sure the head is countersunk and will not contact the wheel nave at all . when the wheel is refitted and tighend or you will distort the drum Pete Link to comment Share on other sites More sharing options...
NonMember Posted August 24, 2021 Report Share Posted August 24, 2021 What Pete said, plus they are fairly readily available at decent motor factors or old-fashioned hardware stores Link to comment Share on other sites More sharing options...
Paulfc Posted August 24, 2021 Report Share Posted August 24, 2021 James Paddock have them for buttons. Link to comment Share on other sites More sharing options...
1969Mk3Spitfire Posted August 24, 2021 Author Report Share Posted August 24, 2021 75p plus £5 postage 😂 Link to comment Share on other sites More sharing options...
68vitesse Posted August 24, 2021 Report Share Posted August 24, 2021 Or cheaper of ebay. Regards Paul Link to comment Share on other sites More sharing options...
1969Mk3Spitfire Posted August 24, 2021 Author Report Share Posted August 24, 2021 Ebay is looking good - many thanks. To save me from jacking the car, removing the wheel and removing one of the screws, could someone please tell me the length (overall)? Link to comment Share on other sites More sharing options...
NonMember Posted August 24, 2021 Report Share Posted August 24, 2021 Short. I think it's about 3/8". Link to comment Share on other sites More sharing options...
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