I would like to order some spare nuts and bolts here in Germany .
The vendors (e.g. at the 'bay') offer hardware with UNC and UNF.
Do I understand it right that for the Ford I need the UNC type (number of threads = 20 per inch) ?
Thanks in advance for any hint !
Question from one used to the metric system: nuts UNF / UNC
Forum rules
If you need help logging in, or have question about how something works, use the Support forum located here Support Forum
Complete set of Forum Rules Forum Rules
If you need help logging in, or have question about how something works, use the Support forum located here Support Forum
Complete set of Forum Rules Forum Rules
-
ABoer
- Posts: 229
- Joined: Mon Jan 07, 2019 2:41 pm
- First Name: Anthonie
- Last Name: Boer
- * REQUIRED* Type and Year of Model Ts owned: 1912 touring 1923 roadster 1925 pickup
- Location: Klaaswaal NL
Re: Question from one used to the metric system: nuts UNF / UNC
Joerg ; Most of the bolts and nuts are : UNF .
And special 3/8 x 24 threads .
Guten Tag
Toon
And special 3/8 x 24 threads .
Guten Tag
Toon
-
George Mills
- Posts: 619
- Joined: Sun Jan 06, 2019 12:32 pm
- First Name: George
- Last Name: Mills
- * REQUIRED* Type and Year of Model Ts owned: 1915 Roadster, 1919 Hack, 1925 Fordor
- Location: Cherry Hill NJ/Anona Largo FL
- Board Member Since: 1999
Re: Question from one used to the metric system: nuts UNF / UNC
Where the Imperial system differs is that the pitch is NOT a constant in both the Fine and the Coarse series (which is opposite of metric where the thread pitches stay a constant pitch for each of the series)
Most auto is Fine series ((UNF) which is also referred to as SAE. There are a few exceptions on a T, such as head bolts which are Coarse series, and magneto brass bolts-these are 14-24 ASME. (Unless there is a repro ring which for some reason they make 1/4-28 UNF)
Most auto is Fine series ((UNF) which is also referred to as SAE. There are a few exceptions on a T, such as head bolts which are Coarse series, and magneto brass bolts-these are 14-24 ASME. (Unless there is a repro ring which for some reason they make 1/4-28 UNF)
- Attachments
-
-
Jerry VanOoteghem
- Posts: 4082
- Joined: Sun Jan 06, 2019 4:06 pm
- First Name: Jerry
- Last Name: Van
- Location: S.E. Michigan
Re: Question from one used to the metric system: nuts UNF / UNC
Haven't I seen a chart of all the thread sizes, used throughout the Model T? If someone can post that it may help Joe out.
-
joe.wal
Topic author - Posts: 76
- Joined: Mon Jan 07, 2019 1:33 pm
- First Name: Joerg
- Last Name: Walther
- * REQUIRED* Type and Year of Model Ts owned: 1916 Touring
- Location: FarFarAway (Germany)
- Board Member Since: 2014
Re: Question from one used to the metric system: nuts UNF / UNC
Thanks a lot to all !
So you helped me to order the correct sizes in UNF.
I do have this chart which shows all dimensions of nuts used on a T
So you helped me to order the correct sizes in UNF.
I do have this chart which shows all dimensions of nuts used on a T
1916 Touring
-
George Mills
- Posts: 619
- Joined: Sun Jan 06, 2019 12:32 pm
- First Name: George
- Last Name: Mills
- * REQUIRED* Type and Year of Model Ts owned: 1915 Roadster, 1919 Hack, 1925 Fordor
- Location: Cherry Hill NJ/Anona Largo FL
- Board Member Since: 1999
Re: Question from one used to the metric system: nuts UNF / UNC
Bitte. Das metrische system ist so viel einfacher. 
The above chart showing the chassis is the SOCKET size used...the thread itself will be different.
The above chart showing the chassis is the SOCKET size used...the thread itself will be different.
-
George Mills
- Posts: 619
- Joined: Sun Jan 06, 2019 12:32 pm
- First Name: George
- Last Name: Mills
- * REQUIRED* Type and Year of Model Ts owned: 1915 Roadster, 1919 Hack, 1925 Fordor
- Location: Cherry Hill NJ/Anona Largo FL
- Board Member Since: 1999
Re: Question from one used to the metric system: nuts UNF / UNC
This came out of one of the local Clubs (author unknown) and has been modified over the years as more becomes known.
- Attachments
-
- Bolts_nuts_threaded_items-172170-312218 copy.pdf
- (83.48 KiB) Downloaded 118 times
-
joe.wal
Topic author - Posts: 76
- Joined: Mon Jan 07, 2019 1:33 pm
- First Name: Joerg
- Last Name: Walther
- * REQUIRED* Type and Year of Model Ts owned: 1916 Touring
- Location: FarFarAway (Germany)
- Board Member Since: 2014
Re: Question from one used to the metric system: nuts UNF / UNC
Very helpful list - thank you !
BUT (sorry, I am beginning to feel very slow on the uptake): the part below shall be 7/16 but I could not bring a 1/2 inch (8/16) wrench on it (too tight) and had to use a metric wrench with 13 mm opening (which should be someting like 8.2/16).
The nut size in inch should name the opening of the wrench, shouldn't it ???
5/16 nut = 5/16 wrench, 1/2 nut = 1/2 wrench etc. --- and this is meant to be the socket ???
BUT (sorry, I am beginning to feel very slow on the uptake): the part below shall be 7/16 but I could not bring a 1/2 inch (8/16) wrench on it (too tight) and had to use a metric wrench with 13 mm opening (which should be someting like 8.2/16).
The nut size in inch should name the opening of the wrench, shouldn't it ???
5/16 nut = 5/16 wrench, 1/2 nut = 1/2 wrench etc. --- and this is meant to be the socket ???
- 474408l.jpg (13.74 KiB) Viewed 2752 times
1916 Touring
-
AndreFordT
- Posts: 513
- Joined: Sun Jan 06, 2019 12:25 pm
- First Name: Andre
- Last Name: Valkenaers
- * REQUIRED* Type and Year of Model Ts owned: 1926 ; 1922 ; 1915.
- Location: Scherpenheuvel
Re: Question from one used to the metric system: nuts UNF / UNC
Joe,
You can find most of the bolts and nuts at Granit or Metaalreus.nl, you will pay a fraction of the price and don't need to pay import and other taxes.
Good luck
Andre
Belgium
You can find most of the bolts and nuts at Granit or Metaalreus.nl, you will pay a fraction of the price and don't need to pay import and other taxes.
Good luck
Andre
Belgium
-
Stephen_heatherly
- Posts: 386
- Joined: Wed Jan 09, 2019 6:03 pm
- First Name: Stephen
- Last Name: Heatherly
- * REQUIRED* Type and Year of Model Ts owned: 26 coupe and 23 Runabout
- Location: St. Louis MO
Re: Question from one used to the metric system: nuts UNF / UNC
That chart shows what wrench size you need for each nut and bolt, not the thread sizes.
Stephen
Stephen
-
joe.wal
Topic author - Posts: 76
- Joined: Mon Jan 07, 2019 1:33 pm
- First Name: Joerg
- Last Name: Walther
- * REQUIRED* Type and Year of Model Ts owned: 1916 Touring
- Location: FarFarAway (Germany)
- Board Member Since: 2014
Re: Question from one used to the metric system: nuts UNF / UNC
Great tip André - that is even better than ordering in the U.K. !
Now also found the 'zollshop' here in Germany.
Thanks Stephen - that does confirm to myself that I am not totally 'NUTS'
Now also found the 'zollshop' here in Germany.
Thanks Stephen - that does confirm to myself that I am not totally 'NUTS'
1916 Touring
-
Allan
- Posts: 6609
- Joined: Sun Jan 06, 2019 7:21 pm
- First Name: Allan
- Last Name: Bennett
- * REQUIRED* Type and Year of Model Ts owned: 1912 van, 1917 shooting brake, 1929 roadster buckboard, 1924 tourer, 1925 barn find buckboard, 1925 D &F wide body roadster, 1927LHD Tudor sedan.
- Location: Gawler, Australia
Re: Question from one used to the metric system: nuts UNF / UNC
Jeorg, the part you show is not a typical example of nut/bolt sizes. 7/16" is the thread size but the brass hex on the grease fitting is smaller than the usual nut used on a 7/16" bolt. It is a thin walled pressing. As such, it should not be used as a locknut on your fan shaft.
Allan from down under.
Allan from down under.