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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

CB0055A 06 E

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Squared
Finish
None
Material
Elgiloy
Total Coils
20.880
Product Series
Published Stock Code
CB0055A06E
Product Type
Compression Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
1.60
Rate (kg/cm)
1.64
Rate (lb/in)
9.15
Rate (gm/mm)
163.45
Weight per Item (lb)
0.00
Material Specification
AMS 5833 (CHEM ONLY)
Free Length (cm)
0.445
Free Length (inch)
0.175
Free Length (mm)
4.450
Free Length - Build Spec (in)
0.18
Free Length Tolerance (cm)
0.02
Free Length Tolerance (in)
0.01
Free Length Tolerance (mm)
0.23
Free Length Tolerance - Build Spec (in)
0.01
Hole Diameter (cm)
0.08
Hole Diameter (inch)
0.03
Hole Diameter (mm)
0.81
Inside Diameter (cm)
0.04
Inside Diameter (in)
0.01
Inside Diameter (mm)
0.36
Outside Diameter (cm)
0.064
Outside Diameter (in)
0.03
Outside Diameter (mm)
0.64
Outside Diameter - Build Spec (in)
0.03
Rate (gm/cm)
1634.50
Rate (kg/mm)
0.16
Rate (N/cm)
16.03
Rate - Build Spec (lb/in)
9.15
Rate Tolerance (gm/cm)
163.40
Rate Tolerance (gm/mm)
16.34
Rate Tolerance (kg/cm)
0.16
Rate Tolerance (kg/mm)
0.02
Rate Tolerance (lb/in)
0.92
Rate Tolerance (N/cm)
1.60
Rate Tolerance (N/mm)
0.16
Rate Tolerance - Build Spec (lb/in)
0.92
Rod Diameter (cm)
0.03
Rod Diameter (inch)
0.01
Rod Diameter (mm)
0.25
Solid Height (cm)
0.31
Solid Height (inch)
0.12
Solid Height (mm)
3.05
Total Coils - Build Spec
20.88
Wire Diameter (cm)
0.01
Wire Diameter (inch)
0.01
Wire Diameter (mm)
0.14
Wire Diameter - Build Spec (in)
0.01
Hole Diameter - Build Spec. (in)
0.03
Rod Diameter - Build Spec. (in)
0.01
Rod Diameter Tolerance - Build Spec. (in)
MIN
Rod Diameter Tolerance (in)
MIN
Rod Diameter Tolerance (mm)
MIN
Rod Diameter Tolerance (cm)
MIN
Solid Height - Build Spec. (in)
0.12
Material Short Description
Elgiloy
Load at Solid Height (lb)
0.50
Load at Solid Height - Build Spec. (lb)
0.50
Load at Solid Height (N)
2.23
Load at Solid Height (kg)
0.23
Load at Solid Height (gm)
227.25
Active Coils - Build Spec.
18.88
Active Coils
18.88
Active Coils Tolerance - Build Spec.
Reference
Active Coils Tolerance
Reference
Product Series
Bantam™ Mini Series (inch)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Inside Diameter Tolerance - Build Spec (in)
Reference
Outside Diameter Tolerance (cm)
+/-0.005
Outside Diameter Tolerance (in)
+/-0.002
Outside Diameter Tolerance (mm)
+/-0.05
Outside Diameter Tolerance - Build Spec (in)
+/-0.002
Inside Diameter - Build Spec (in)
0.01
Outside Diameter Lower Tolerance (in)
0.00
Outside Diameter Upper Tolerance (in)
0.00
Outside Diameter Upper Tolerance (mm)
0.05
Outside Diameter Lower Tolerance (mm)
0.05
Model Code
CB

Micro Compression Spring: OD 0.025 in, FL 0.175 in, Elgiloy

Bantam™ Mini Series (inch) Compression Springs

Miniature Compression Springs with Big Performance.

Lee Spring part CB0055A 06 E is a precision-engineered micro compression spring from the Bantam™ Mini Series (inch) series, designed for applications requiring compact and precise spring performance. This miniature compression spring features an outside diameter of just 0.025 inches (0.64 mm) with a 0.032-inch hole diameter (0.81-mm hole diameter), making it suitable for micro assemblies where tight-tolerance assemblies and space is at a premium. Constructed from Elgiloy, a high-performance cobalt-chromium-nickel alloy known for its excellent corrosion resistance and biocompatibility, the spring delivers a spring rate of 9.153 lb/inch (1.603 N/mm) across its 0.175-inch free length (4.45-mm free length). With squared ends and 18.88 active coils out of 20.88 total coils, the spring compresses to a solid height of 0.12 inches (3.05 mm) while maintaining a load capacity of 0.501 pounds at maximum compression (2.23 N). The 0.006-inch wire diameter (0.14-mm) and 0.01-inch rod diameter (0.25 mm) provide the optimal balance between strength and flexibility for precision mechanical applications.

About the BANTAM™ Mini Compression Spring Series

Bantam™ Mini Compression Springs are Lee Spring’s unique line of miniature compression 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
  • Firearms
  • Pharmaceutical delivery devices
  • Lighting and electrical control
  • Petro-chemical processes
  • Communication devices
  • Aerospace
  • Testing and measurement equipment
  • Marine applications
  • Automotive
  • Locks and security devices
  • Precision Instruments
  • Hardware

...and many more applications

285541
Product Compression OD 0.025 in, Length 0.175 in, Elgiloy
Product Compression OD 0.64 mm, Length 4.45 mm, Elgiloy
Part Number CB0055A 06 E
Series Bantam™ Mini Series (inch)
Outside Diameter (inch) 0.025
Outside Diameter (cm) 0.064
Outside Diameter (mm) 0.64
Hole Diameter (inch) 0.032
Hole Diameter (cm) 0.081
Hole Diameter (mm) 0.81
Rod Diameter (inch) 0.01
Rod Diameter (cm) 0.025
Rod Diameter (mm) 0.25
Free Length (inch) 0.175
Free Length (cm) 0.445
Free Length (mm) 4.45
Rate (gm/mm) 163.45
Rate (kg/cm) 1.635
Rate (kg/mm) 0.1635
Rate (lb/inch) 9.153
Rate (gm/cm) 1634.5
Rate (N/cm) 16.03
Rate (N/mm) 1.603
Solid Height (inch) 0.12
Solid Height (cm) 0.305
Solid Height (mm) 3.05
Wire Diameter (inch) 0.006
Wire Diameter (cm) 0.014
Wire Diameter (mm) 0.14
Material Elgiloy
Load at Solid Height (gm) 227.25
Load at Solid Height (kg) 0.227
Load at Solid Height (lb) 0.501
Load at Solid Height (N) 2.23
Ends Squared
Active Coils 18.88
Direction of Wind Factory Option
Finish None
Total Coils 20.88
0.0055 0.025 0.002 0.002 0.032 0.01 0.175 0.009 20.88 9.153 0.915 0.12 0.501 0.0055 0.175 0.025 0.14 0.64 0.05 0.81 0.25 4.45 0.229 1.603 3.05 2.23
Default View
Side view
Top view
Quantity Price
1 - 19 $10.590
20 - 49 $6.460
50 - 99 $3.530
100 - 199 $2.250
200 - 299 $2.044
300 - 399 $1.873
400 - 499 $1.590
500 - 599 $1.391
600 - 699 $1.264
700 - 799 $1.156
800 - 899 $1.055
900 - 999 $0.991
1000 $0.935

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