Neck Finishes Chart

Selected S.P.I. Neck Finish Specifications for Standard Closures

S.P.I. Specifications

“T” Dimension – The outside diameter of the thread

“E” Dimension – The outside diameter of the neck finish

“I” Dimension – The inner diameter of the bottle neck

“H” Dimension – The height of the neck finish

“S” Dimension – Measured from the top of the finish to the top edge of the first thread

For more information, call 610-367-5000 to speak with a knowledgeable team member.

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