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Stahlwille Wrench Set Decoder?

FloorPaint

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Joined
Apr 10, 2018
Messages
129
Location
Northern Virginia
Stahlwille wrench sets will have numbers like 10/15 or 10a/15. I’ve figured out that the second number is the count of wrenches in the set, and it seems that the first number refers to the design of the wrench (e.g. double box end, double open end, etc.). Is there a decoder for the first number? For example, what’s the difference between series 10 and series 10a?
 
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tamaraw

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Joined
Jun 6, 2022
Messages
842
Stahlwille wrench sets will have numbers like 10/15 or 10a/15. I’ve figured out that the second number is the count of wrenches in the set, and it seems that the first number refers to the design of the wrench (e.g. double box end, double open end, etc.). Is there a decoder for the first number? For example, what’s the difference between series 10 and series 10a?

The trailing "a" in the series name typically denotes fractional inch measurements (vs metric). Not sure what their designation for Whitworth would be if they even still make those.

The number after the slash for a set just tells you how many pieces are in that set but it doesn't tell you anything about the range of sizes. For that, you have to check the item description.

The series numbers (10, 13, 14, 20, etc.) do seem rather arbitrary and you just have to look up what they correspond to.

 
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Dave455

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Joined
Mar 19, 2013
Messages
5,797
Location
Sussex, England
Stahlwille wrench sets will have numbers like 10/15 or 10a/15. I’ve figured out that the second number is the count of wrenches in the set, and it seems that the first number refers to the design of the wrench (e.g. double box end, double open end, etc.). Is there a decoder for the first number? For example, what’s the difference between series 10 and series 10a?
The easiest thing is to look at the selection available from one of the online retailers. TBS have a fairly full selection available!E5E37717-1F92-494E-B8ED-91F1AE3436C5.jpegC9CC4C22-62FB-4DBD-8922-BCA57348D930.jpegD0DAC5D7-73BE-409C-823F-10A4C48713D5.jpeg17F32BDB-F44C-4CBA-AA2A-ABEB50BD6EF9.jpeg

As you can see from the catalogue extract humber2 supplied, the system is quite logical, as the numbering originally started at “1”, but some styles have now been discontinued.

The only wrenches that are not numbered in sequence are the aerospace spec wrenches. They denote these with an extra “0” in the part number e.g. a No.13a combination wrench becomes a No.130a.

Once you have worked out the system, you can amuse yourself by asking your dealer for tools that don’t exist, but sort of should do!
 
OP
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FloorPaint

Well-known member
Joined
Apr 10, 2018
Messages
129
Location
Northern Virginia
The easiest thing is to look at the selection available from one of the online retailers. TBS have a fairly full selection available!E5E37717-1F92-494E-B8ED-91F1AE3436C5.jpegC9CC4C22-62FB-4DBD-8922-BCA57348D930.jpegD0DAC5D7-73BE-409C-823F-10A4C48713D5.jpeg17F32BDB-F44C-4CBA-AA2A-ABEB50BD6EF9.jpeg

As you can see from the catalogue extract humber2 supplied, the system is quite logical, as the numbering originally started at “1”, but some styles have now been discontinued.

The only wrenches that are not numbered in sequence are the aerospace spec wrenches. They denote these with an extra “0” in the part number e.g. a No.13a combination wrench becomes a No.130a.

Once you have worked out the system, you can amuse yourself by asking your dealer for tools that don’t exist, but sort of should do!
The image files combined with the series number is really helpful! Thanks!!!
 
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