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What is Extension Spring？
An extension spring is a helical metal component that stores mechanical energy through axial stretching, featuring hook/loop ends. It generates counterforce when pulled, widely used in garage doors, medical devices and industrial equipment.Stainless Steel Compression Springs
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Carbon spring steel, cylindric···
Carbon spring steel, cylindrical, medium load type, round hook loop extension spring
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Carbon spring steel, cylindric···
Carbon spring steel, cylindrical, medium load type, round hook loop extension spring
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SUS304, cylindrical, light loa···
SUS304, cylindrical, light load type, long hook extension spring
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SUS304, cylindrical, light loa···
SUS304, cylindrical, light load type, long hook extension spring
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Alloy spring steel, blue zinc-···
Alloy spring steel, blue zinc-plated surface, cylindrical, light load type, round hook loop extension spring
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Alloy spring steel, blue zinc-···
Alloy spring steel, blue zinc-plated surface, cylindrical, light load type, round hook loop extension spring
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Copper alloy steel, cylindrica···
Copper alloy steel, cylindrical, light load type, round hook loop extension spring
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Copper alloy steel, cylindrica···
Copper alloy steel, cylindrical, light load type, round hook loop extension spring
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Spring steel, black zinc-plate···
Spring steel, black zinc-plated surface, ultra-light load type, piano key spring
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Spring steel, black zinc-plate···
Spring steel, black zinc-plated surface, ultra-light load type, piano key spring
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Spring steel, blue zinc-plated···
Spring steel, blue zinc-plated surface, ultra-light load type, piano key spring
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Spring steel, blue zinc-plated···
Spring steel, blue zinc-plated surface, ultra-light load type, piano key spring
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