Product Overview
Lee Spring LE-018B-70-S Stainless Steel Helical Extension Spring
Condition
New old stock. Clean physical condition with intact end loops. Sold individually.
Ships same or next business day from our Idaho warehouse. Honest pricing, no nonsense.
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Product Overview
Precision miniature helical extension spring manufactured by Lee Spring under part number LE-018B-70-S. Features passivated 302 stainless steel construction with full machine end loops, designed for tension applications requiring consistent return force and corrosion resistance.
Key Features
- Nominal wire diameter: 0.018 in (0.46 mm)
- Nominal outside diameter: 0.188 in (4.78 mm)
- Passivated 302 stainless steel construction
- Machine-style full end loops for secure mechanical anchoring
- Corrosion-resistant material suitable for electronic, medical, and precision mechanical assemblies
Applications
- Replacing worn tension return springs in precision laboratory gear, test fixtures, and benchtop equipment
- Prototyping custom mechanical linkages, robotic end-effectors, and maker projects needing small-scale tension
- Restoring legacy electromechanical assemblies, tape transports, and fine instrumentation
Frequently Asked Questions
What material is this spring made from?
This spring is fabricated from Type 302 stainless steel, designated by the "-S" suffix in standard Lee Spring nomenclature, offering corrosion resistance and long cycle life.
How are the ends configured on this extension spring?
It features integrated machine-style full loops on both ends for attachment to posts, pins, or linkage eyes.
Why buy individual springs here instead of ordering a factory minimum lot?
When prototyping a mechanism or repairing a single instrument, you need the exact spec without paying for factory minimum pack quantities. Every piece is verified and ready for assembly. Shipping is an $8 flat rate, free once the order passes $28, and orders leave the Idaho warehouse the same or next business day.
Small mechanical tension parts keep delicate mechanisms in rhythm, doing steady work where precision fit matters down to the thousandth.
