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Learn About Compression Springs.
Click here to Shop our catalog for BANTAM
Mini Compression Springs.

Click here to Find BANTAM Mini Compression
Springs by Specification.

Introducing BANTAM™
Mini Compression Springs.

The world is shrinking every
day, and so are the size
requirements for springs.

Lee Spring has once again
listened and responded with
Stock Spring solutions designed
to solve our customers’ growing
requirements for smaller sizes

Bantam™ Mini Compression Springs are Lee Spring’s unique line of miniature springs. These Stock products are offered in wire sizes .0040”, .0045”, .0050” and .0055”. The Inch sizes (prefix CB) include selections to work inside hole diameters 1/32", 3/64" and 1/16" and in a range of free lengths from .050" up to .625". The Metric sizes (prefix CBM) include selections to work inside of hole diameters 1mm, 1.5mm and 1.8mm in a range of free lengths starting at 1mm up to 12mm. The ends are closed and squared, not ground. In order to meet and maximize the performance needs of a potentially diverse range of applications, Lee Spring selected Elgiloy® as the alloy for Stock BANTAM Mini Springs.

Elgiloy® is a Cobalt-Nickel alloy known for its high strength, e.g. 10% stronger than  Type 316 Stainless Steel. It exhibits superior resistance in most corrosive environments  including acetic acid, ammonium chloride, citric acid, sodium chloride and sodium  sulfite. This material performs well in temperatures up to 850° F. Elgiloy® is  non-magnetic.

BANTAM Mini Compression Springs have useful applications in various
industries, including:

· Medical devices
· Pharmaceutical delivery devices
· Petro-chemical processes
· Aerospace
· Marine industries
· Locks and security devices
· Hardware
· Firearms
· Lighting and electrical controls
· Communication devices
· Testing and measurement
· Automotive
· Precision Instruments
...and many more

Custom BANTAM Mini Springs can be designed using other materials. 
Elgiloy is a trademark of Elgiloy Ltd. Partnership. Material may be substituted with equivalent cobalt alloy wire at Lee Spring's discretion.
Contact Lee Spring Engineering for further information.

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