YKK USA

How to Measure a Zipper

Standard for Measuring Dimensions


Classification Dimensions
(A)
Dimensions of top tape extension
(B)
Dimensions of bottom tape extension(C)
Closed-end zipper From the top end of the slider to the tip of the bottom stop From the top stop to the tip of the notches of the cut end
zipper
From the bottom stop to the tip of the notches of the cut end
Zipper with double sliders (arranged in head to head relation) From the tip of one bottom stop to the tip of the other bottom stop From the upper bottom stop to the tip of the notches of the cut end
zipper
From the tip of the bottom stop to the tip of the notches of the cut end
Zipper with double sliders (arranged in bottom-to- bottom relation) From the top end of one slider to the top end of the other slider From the top stop to the tip of notches of the cut end
zipper
Same as the top tape extention end portion
Open-end zipper From the top end of the slider to the tip of the box From the top stozipperp to the cut end

 
Two-way separator From the top end of the slider to the bottom end of the supplementary tape From the top stop to the cut end
zipper
 
Top-open zipper From the top stop to the tip of the box From the top stop to the cut end
zipper
 
Reversible slider Rather than from the top end, measurement should be made from the shoulder inlet portion of the slider From the top stop to the cut end
zipper
 
When the top stop does not enter the slider Measurement should be made from the top stop From the top stop to the tip of the notches of the cut end
zipper