- Joined
- Nov 27, 2012
- Messages
- 7,857
As the title states, was actually a few days ago though. I started working on cars in my teens so I've seen these types of screws often. They're often used by OEMs but I've never seen em sold in stores locally & never noticed them online, probably cause I never looked to buy any. I never knew what they were called or even knew they had a name.
SEMS screws. Have captive washers that don't come off. I was curious what SEMS stands for but only found this:
Mcmaster even has a page on them which I never noticed. On my truck, every couple of years or so I need to clean out my IAC or it has trouble starting during winter and my remote start won't always successfully start the truck unless the engine is warm. That time came again last week. The IAC uses phillips SEMS screws, well JIS cross screws to be exact. I wanted to replace them with SHCSs so they're easier to remove. Came across the SEMS screw name by accident. I needed metric which Mcmaster doesn't carry. Ordered 10 SS from China for $3 shipped. I just hope I don't loose them before the next time I need to take the IAC off.
Any day I learn something new is a good day but when I learn something surprisingly new like this one it makes me feel good.
So what did you learn new today/recently that you thought was interesting & worthwhile? Please share!
SEMS screws. Have captive washers that don't come off. I was curious what SEMS stands for but only found this:
SEMS screws (or SEM screws) are machine screws with lock washers pre-attached to save users assembly time. They combine two separate parts into one pre-asSEMbled, low cost fastner.
Mcmaster even has a page on them which I never noticed. On my truck, every couple of years or so I need to clean out my IAC or it has trouble starting during winter and my remote start won't always successfully start the truck unless the engine is warm. That time came again last week. The IAC uses phillips SEMS screws, well JIS cross screws to be exact. I wanted to replace them with SHCSs so they're easier to remove. Came across the SEMS screw name by accident. I needed metric which Mcmaster doesn't carry. Ordered 10 SS from China for $3 shipped. I just hope I don't loose them before the next time I need to take the IAC off.
Any day I learn something new is a good day but when I learn something surprisingly new like this one it makes me feel good.
So what did you learn new today/recently that you thought was interesting & worthwhile? Please share!