Stock catalog
Heavy extension springs 4-pk, 1" x 8.5" with hooks — production render

CS-R-087

Heavy extension springs 4-pk, 1" x 8.5" with hooks

Match the supplied dimensions and application before ordering.

$18.89

Pack of 4 · $4.72 each · Ships in 3 days

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Engineering review. Springs store energy. Production dimensions marked as Coilery production defaults are derived values pending engineering review; confirm fit, load and safety for your application before installation. Garage door torsion and extension springs under tension can cause serious injury and should be installed by a trained technician.

Dimensional data

All production dimensions are canonical inches (lbf for loads), as stored in the manufacturing record.

Production record unavailable.

FieldListedProductionOrigin
Catalog SKUCS-R-087—Catalog listing
Spring typeExtension—Catalog listing
MaterialHard-drawn—Catalog listing
Wire diameter0.105 in—Catalog listing
Outside diameter1 in—Catalog listing
Free length8.5 in—Catalog listing
Wind directionRight—Catalog listing