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Spring Manufacturer & Stockist

STOCK EXTENSION SPRINGS: MD 3708

MD 3708

SKU: MD 3708 Category: Tag:
Quantity Pricing
1 - 4 5 - 14 15 - 29 30 - 49 50 - 99 100 - 199 200 - 499 500 - 999
£2.04 £1.84 £1.43 £1.02 £0.82 £0.61 £0.51 £0.41
Metric
Imperial
Outside Dia. (mm)
Free Length (mm)
Wire Dia. (mm)
Extended Length (mm)
Initial Tension (N)
Spring Rate (N/mm)
3
40
0.4
80.5
0.96
0.166
Outside Dia. (In)
Free Length (In)
Wire Dia. (In)
Extended Length (In)
Initial Tension (Lbs)
Spring Rate (Lbs/in)
0.118
1.575
0.016
3.169
0.216
0.948
Minimum Order Quantity Is :- 1

Maximum Order Quantity Is :- 999

Spring dimensions

MD 3708 - Extension Spring - Outside Dia.: 3mm | Free Length: 40mm | Extended Length: 80.5mm

Find Us

Flexo Springs Limited
Hill Street, Kingswood
Bristol BS15 4HB

Flexo Downloads

Accreditations

© 2026 Flexo Springs Limited
Registered in England and Wales Company No.00228767
VAT No. GB 137 6648 41
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