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The Different Zipper Types: Metal, Coil, Plastic Molded, Invisible, and How To DIY Shorten
Here is a detailed explanation of the difference between these four zipper types, their use, and how to shorten them!
Metal:
-Typically used on jeans. Come in nickel, brass, and aluminum.
-Come in both open and closed bottom.
-Common Lengths- 3-36 inches. Other sizes available. Teeth size- 3-14MM
-Zipper jam? Use a graphite pencil and run the tip along the teeth of the zipper. It will soften the zipper and allow it to run smoothly.
-Need to shorten? You'll need: a pair of needle nose pliers:
1) Remove the stoppers
2) Remove the metal teeth to desired length
3) Replace top stoppers
4) Cut extra tape
-Be careful not to sew over metal zippers!
Coil:
-Used on most projects. Lightweight, yet durable.
-Come in both open and closed bottom
-Common Lengths- 6-22 Inches. Other sizes available. Teeth size- 3-5MM
-Need to shorten from the bottom? You'll need: top or bottom stoppers, needle nose pliers:
1) Unfold previous stopper, remove
2) Add new stopper to desired length location
3) Push through zipper, fold in ends
4) Cut extra tape
-These zippers can also be cut by sewing over the zipper!
Plastic:
-Usually used on sportswear and sportbags.
-Come in both open and closed bottom
-Common lengths- 5-28 Inches. Other sizes available. Teeth size- 3-5MM
-Need to shorten? You'll need: a pair of needle nose pliers:
1) Remove the stoppers
2) Remove the metal teeth to desired length
3) Replace top stoppers
4) Cut extra tape
-Be careful not to sew over plastic zippers!
Invisible:
-Usually used on skirts or dresses. Once sewn on, the zipper does not show
-Come in closed bottom only.
-Common Lengths- 7-22 Inches. Other lengths available. Teeth sizes- 3, 5 MM
-Need to shorten the bottom?
1)You'll need to: sew over the zipper at desired length over the teeth
2) Fold over or cut any remaining undesired tape.
Have a specific style you're looking for? We have a large inventory of unique items available for retail/wholesale purchase.