Headlamp bezel screw thread size?
#1 Headlamp bezel screw thread size?
Help please. I'm fitting the headlamp glass covers and the threads of the captive nuts in the bonnet for the chrome bezel screws need cleaning out. I can't work out what size tap I need. My thread gauge indicates it is 32 TPI. I've tried UNF 10-32 but that's too fat. Doesn't look like 2BA either (also too fat). Might it be 5/32 Whitworth?
Many thanks,
Many thanks,
Jeremy
1967 S1 4.2 FHC
1967 S1 4.2 FHC
Link: | |
BBcode: | |
HTML: | |
Hide post links |
-
- Posts: 3308
- Joined: Thu Jun 19, 2014 3:08 pm
- Location: Near Andover, Hampshire,in D.O. Blighty
#2 Re: Headlamp bezel screw thread size?
UNC 8-32 perhaps? Sorry can't tell you for certain, but if 10 is too fat the 8 UNC is 32 tpi.
Geoff
Geoff
S2 FHC Light Blue
S2 OTS LHD - RHD full restoration
S2 OTS LHD - RHD full restoration
Link: | |
BBcode: | |
HTML: | |
Hide post links |
#3 Re: Headlamp bezel screw thread size?
Thanks Geoff. Anybody else know for certain?
Jeremy
1967 S1 4.2 FHC
1967 S1 4.2 FHC
Link: | |
BBcode: | |
HTML: | |
Hide post links |
#4 Re: Headlamp bezel screw thread size?
5/32 x 32
Chris '67 S1 2+2
Link: | |
BBcode: | |
HTML: | |
Hide post links |
#5 Re: Headlamp bezel screw thread size?
Is that BSW Chris?
Jeremy
1967 S1 4.2 FHC
1967 S1 4.2 FHC
Link: | |
BBcode: | |
HTML: | |
Hide post links |
-
- Posts: 171
- Joined: Wed Aug 13, 2014 4:20 pm
- Location: devon
#6 Re: Headlamp bezel screw thread size?
Hi Jeremy.
They are 8 UNC.
Neal.
They are 8 UNC.
Neal.
Link: | |
BBcode: | |
HTML: | |
Hide post links |
-
- Posts: 1650
- Joined: Thu Feb 02, 2017 12:26 pm
- Location: Shropshire
#7 Re: Headlamp bezel screw thread size?
There is no such thing as a 5/32 Whitworth fastener and certainly no Whitworth fasteners with 32 tpi.
BSF has a 32 tpi but that is 3/16" only. BSF are not common in automotive applications.
It certainly won't be an American thread or a metric thread so that leaves good old Unified.
Choices at 32 tpi are 6-32 UNC, 8-32 UNC & 10-32 UNF.
10-32 UNF is about 3/16" dia. 8-32UNC is a little over 5/32" dia. & 6-32 UNC is an oversize 1/8" dia.
We really shouldn't guess at sizes in an effort to assist others.
As Neal said, 8-32 UNC is the likely size but the dimensions I've just given you should enable you to decide for yourself.
Regards
BSF has a 32 tpi but that is 3/16" only. BSF are not common in automotive applications.
It certainly won't be an American thread or a metric thread so that leaves good old Unified.
Choices at 32 tpi are 6-32 UNC, 8-32 UNC & 10-32 UNF.
10-32 UNF is about 3/16" dia. 8-32UNC is a little over 5/32" dia. & 6-32 UNC is an oversize 1/8" dia.
We really shouldn't guess at sizes in an effort to assist others.
As Neal said, 8-32 UNC is the likely size but the dimensions I've just given you should enable you to decide for yourself.
Regards
Stuart
If you can't make it work, make it complicated!
'62 FHC - Nearing completion
'69 Daimler 420 Sovereign
'78 Land Rover Series 3 109
If you can't make it work, make it complicated!
'62 FHC - Nearing completion
'69 Daimler 420 Sovereign
'78 Land Rover Series 3 109
Link: | |
BBcode: | |
HTML: | |
Hide post links |
#8 Re: Headlamp bezel screw thread size?
Thread size is 8/32 UNC.
Regards, Julian.
Regards, Julian.
Link: | |
BBcode: | |
HTML: | |
Hide post links |
#9 Re: Headlamp bezel screw thread size?
Many thanks all for your assistance. I will get me an 8/32 unc tap.
Jeremy
1967 S1 4.2 FHC
1967 S1 4.2 FHC
Link: | |
BBcode: | |
HTML: | |
Hide post links |