[Healeys] Cheese head screws

[Andy Thorp]

Hi Curt,

They are actually 10-32. Just went downstairs and threaded a UNF nut onto one to be absolutely sure. I'm not referring to the dashpot or HS series float lid screws, these are the long ones that go upwards and hold the diaphragm housing/float chamber onto the main body. 

SU used BSW, BA, UNF, BSC, BSP and NPS threads on the HD8 carbs. 

Andy.


--------------------------------------------
On Mon, 3/10/16, Curtis Arndt <cnaarndt at gmail.com> wrote:

 Subject: Re: [Healeys] Cheese head screws
 To: "Austin Healeys List" <austinhealeyslist at gmail.com>
 Cc: "healeys at autox.team.net" <healeys at autox.team.net>
 Received: Monday, 3 October, 2016, 3:07 PM
 
 
 3/16" Whitworth Screws
 
 On Sun, Oct 2, 2016 at 7:00
 PM, Curtis Arndt <cnaarndt at gmail.com>
 wrote:
 Andy,
 
 Sorry but those are not 10-32 screws on
 the carburetor dash pot screws.  They are 3/16"
 Whitworth.
 
 Curt
 
 On Sun, Oct 2, 2016 at 1:44
 PM, Austin Healeys List <austinhealeyslist at gmail.com>
 wrote:
 Hi
 Michael,
 
 
 
 HD8 carb float bowl/diaphragm is held on by four 1.5/8 long
 cheese
 
 head 10-32 screws
 
 
 
 WZX 1220
 
 Part 50 on http://sucarb.co.uk/carbspec/c
 arburettor/spares/id/1584/
 
 
 
 Andy.
 
 
 
 
 
 On 10/3/16, Michael Salter <michaelsalter at gmail.com>
 wrote:
 
 > Slotted cheese head 10/32 screws were originally used
 in several places on
 
 > Healeys for securing such things as the overdrive
 solenoid, the shock
 
 > absorber cover plates, headlight adjuster screws
 etc.
 
 > I have searched extensively for such screws in any
 length and have been
 
 > unable to source them anywhere.
 
 > I realize that Fillister heads are readily available,
 and I have, in the
 
 > past, resorted to machining their heads flat  but I
 would very much prefer
 
 > to get the right heads if possible.
 
 > 53K2636 seems to be the most commonly used original
 part number.
 
 > Can anyone recommend a source..
 
 > Thanks.
 
 >
 
 > Michael S
 
 > BN1 #174
 
 >
 
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