Hair splitting for AnthonyG?

Here's one that I can't understand... A lot of people who should know better insist on calling the diesel engine in their dodge a Cummings. And about half of them call it a 'Cummings Motor.' perhaps these folks were influenced by the works of ee cummings?
 
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miniceptor86 said:
Lag bolts have a hex head like a bolt.
Machine screws have a screw driver head.
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I always understood the terms the same as you but I suppose if it works it doesn't matter what it's called.:confused:
 

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Actually, a threaded fastener with threads that taper to a point is a screw. A bolt has the same size threads all the way down.
 
GB SISSON said:
Here's one that I can't understand... A lot of people who should know better insist on calling the diesel engine in their dodge a Cummings. And about half of them call it a 'Cummings Motor.' perhaps these folks were influenced by the works of ee cummings?
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LOL. Cummins diesel is much like Kleenex or Windex. Both are proprietary brands but have become so ubiquitous as to have assumed the catchall term for similar brands. Much like Linoleum flooring which is actually vinyl to include all sheet vinyl from other manufacturers. In terms of a motor or an engine the noun is interchangeable. That helps explain why the State has a DMV as opposed to a DEV. Cummins must have done it right for such high esteem.:)
 
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tubman said:
Wow! It sure is nice to know the real name for water pump pliers.

But isn't it more like calling all copy machines "Xerox machines"?
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As I remember, water pump pliers have curved jaws, channel lock type pliers have straight jaws.
 
tubman said:
Actually, a threaded fastener with threads that taper to a point is a screw. A bolt has the same size threads all the way down.
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A cap screw has has the same size threads all the way, It becomes a bolt when used with a nut.

8BA heads are held on with cap screws.
If it screws into a threaded hole in a casting it is a cap screw.

If the same fastener is used with a nut it becomes a bolt and nut.
To most mechanics they are all bolts,
Bill
 
Anyone refer to the couch as a Chesterfield?
That said steel is iron. It is not cast iron. The difference I believe is the amount of carbon. Now angle iron needs to be spec'd also. What size and thickness, and it can come in stainless steel which also contains iron.
Got this from google. Show it to your engineer.
Steel is an alloy of iron and carbon. It can contain small quantities of silicon, phosphorus, sulfur and oxygen. The carbon content of steel is between 0.08 to 1.5 percent. This makes it harder than wrought iron but not as brittle as cast iron.
 
tomcarman said:
LOL. Cummins diesel is much like Kleenex or Windex. Both are proprietary brands but have become so ubiquitous as to have assumed the catchall term for similar brands. Much like Linoleum flooring which is actually vinyl to include all sheet vinyl from other manufacturers. In terms of a motor or an engine the noun is interchangeable. That helps explain why the State has a DMV as opposed to a DEV. Cummins must have done it right for such high esteem.:)
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What I was referring to was many people's insistance on adding a 'gs' at the end of 'Cummins'. And CAS, I read Clessie Cummins book. It was Excellent.
 
Tires have T-R-E-A-D-S…..your clothes are held together with T-H-R-E-A-D-S…… this one has always bugged the bejesus outta me….Mark
 
But when my older son was in college in Seattle, he and 5 friends piled into a Russian kids' 500 dollar oldsmobile cutlass and drove to Mexico for spring brake. A few months later they came to Orcas Island in the olds and I had never seen such bald tires. They didn't have any tread, but there were 'threads' sticking up where the tread should have been. As I made a remark about the tire I ran my hand over the top of the right front, only to find they were the needle sharp, now hook shaped steel belts and of course I was swiping against the grain. Now if it was an old style tire it would have had threads. Cotton, rayon, nylon. Sorry to be a smartass!
 
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Originally "water pump pliers" were so named because they were designed for tightening the packing nut on early water pumps such as the Model A.
 
I watch a lot of youtube machining channels and adding a t to across to make acrost seems very common.
 
tomcarman said:
LOL. Cummins diesel is much like Kleenex or Windex. Both are proprietary brands but have become so ubiquitous as to have assumed the catchall term for similar brands. Much like Linoleum flooring which is actually vinyl to include all sheet vinyl from other manufacturers. In terms of a motor or an engine the noun is interchangeable. That helps explain why the State has a DMV as opposed to a DEV. Cummins must have done it right for such high esteem.:)
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I think GB is highlighting there miss spelling of their beloved. Cummings instead of Cummins
 
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