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Extension springs with turnable loops

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end

Extension springs are designed to provide a specific pulling force when extended to a certain length. This particular variant of extension springs, with turnable loops, is designed to maximize the use of the spring's extendable length (Ln) without the risk of loop breakage. Extension springs with a swivel loop are made with hardened steel loops that are coned at the spring ends.

Measurements between2.5 - 6 mm

Measurements between17 - 50 mm

Measurements between110 - 360 mm

Measurements between12 - 24 mm

Measurements between0.49 - 30 N/mm

Measurements between208 - 1611 N

108 itemsd (mm)Do (mm)L0 (mm)a (mm)R (N/mm)Fn (N)
Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
3828

ESTL 2.5X17X110

Order item

2.5

17

110

12

5.9

288

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
6350

ESTL 2.5X17X140

Order item

2.5

17

140

12

3.8

289

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
3829

ESTL 2.5X17X170

Order item

2.5

17

170

12

2.8

286

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
6351

ESTL 2.5X17X200

Order item

2.5

17

200

12

2.3

296

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
3830

ESTL 2.5X17X230

Order item

2.5

17

230

12

1.9

294

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
6352

ESTL 2.5X17X260

Order item

2.5

17

260

12

1.6

292

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
6353

ESTL 2.5X20X110

Order item

2.5

20

110

12

3.4

250

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
3831

ESTL 2.5X20X140

Order item

2.5

20

140

12

2.2

251

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
6354

ESTL 2.5X20X170

Order item

2.5

20

170

12

1.6

248

Extension springs with turnable loops — a helical steel extension spring with turnable loop hooks at each end
3832

ESTL 2.5X20X200

Order item

2.5

20

200

12

1.3

253

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