The height of the neck finish.
Soda bottle cap thread size.
Before you select a cap you need to know the correct size.
An inexpensive and quick way to attach soda bottles to pvc piping for use in many projects such as bottleponic hydroponic and aquaponic gardens toys experiments dispensers or whatever the imagination can come up with.
Soda bottle drinks bottle pop bottle thread size cap size top size thread specification dimensions carbonated soft drink csd.
As it turns out the thread specification for bottle caps is maintained by the international.
Pco1881 soda bottle thread pro calculate a cap neck size bottle caps closures sks bottle packaging cap and neck cap and neck finishes mercialsoft drink bottle top thread sizessoft drink bottle top thread sizes28 400 caps and closureshow do i read more.
I made a valved top for a drinks bottle using the pco1810 thread see here for details.
Some more keywords if google sees this.
The s dimension is the key factor which determines the orientation of the closure to the bottle and the amount of thread engagement.
Measured from the top of the neck to the point where the diameter t extended down intersects the shoulder.
Measured from the top of the finish to the top edge of the first thread.
Cap sizes are not interchangeable a 28 400 cap will not fit properly on a bottle with a 28 410 neck finish.
The thread does not need to be a perfect match it just needs to stay tight.
Instead of of opening up my machinery s handbook and jumping straight into trying to make an iso or unified thread standard uts sample i decided to start with a familiar thread that would be easy for me to test a water pop soda bottle cap.
Replacemyparts 28mm plastic screw caps closures for pet bottle sneaky alcohol drink soda bottles reseal caps bag of 50 4 3 out of 5 stars 5 8 99 8.
What many don t know is how to make sure the cap is the right size for the bottle.
I need to make a ss cap to fit these bottles for a leak test that some of our scientist want to run.
Cap sizes and the neck finish on a bottle have a unique system of measurements.