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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

CB0045C 09 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
22.270
Product Series
Published Stock Code
CB0045C09E
Product Type
Compression Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.03
Rate (kg/cm)
0.04
Rate (lb/in)
0.20
Rate (gm/mm)
3.50
Weight per Item (lb)
0.00
Material Specification
AMS 5833 (CHEM ONLY)
Free Length (cm)
1.588
Free Length (inch)
0.625
Free Length (mm)
15.880
Free Length - Build Spec (in)
0.63
Free Length Tolerance (cm)
0.06
Free Length Tolerance (in)
0.03
Free Length Tolerance (mm)
0.64
Free Length Tolerance - Build Spec (in)
0.03
Hole Diameter (cm)
0.16
Hole Diameter (inch)
0.06
Hole Diameter (mm)
1.60
Inside Diameter (cm)
0.12
Inside Diameter (in)
0.05
Inside Diameter (mm)
1.22
Outside Diameter (cm)
0.145
Outside Diameter (in)
0.06
Outside Diameter (mm)
1.45
Outside Diameter - Build Spec (in)
0.06
Rate (gm/cm)
35.00
Rate (kg/mm)
0.00
Rate (N/cm)
0.34
Rate - Build Spec (lb/in)
0.20
Rate Tolerance (gm/cm)
3.57
Rate Tolerance (gm/mm)
0.36
Rate Tolerance (kg/cm)
0.00
Rate Tolerance (kg/mm)
0.00
Rate Tolerance (lb/in)
0.02
Rate Tolerance (N/cm)
0.04
Rate Tolerance (N/mm)
0.00
Rate Tolerance - Build Spec (lb/in)
0.02
Rod Diameter (cm)
0.11
Rod Diameter (inch)
0.04
Rod Diameter (mm)
1.07
Solid Height (cm)
0.27
Solid Height (inch)
0.11
Solid Height (mm)
2.67
Total Coils - Build Spec
22.27
Wire Diameter (cm)
0.01
Wire Diameter (inch)
0.01
Wire Diameter (mm)
0.11
Wire Diameter - Build Spec (in)
0.00
Hole Diameter - Build Spec. (in)
0.06
Rod Diameter - Build Spec. (in)
0.04
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)
0.11
Material Short Description
Elgiloy
Load at Solid Height (lb)
0.10
Load at Solid Height - Build Spec. (lb)
0.10
Load at Solid Height (N)
0.45
Load at Solid Height (kg)
0.05
Load at Solid Height (gm)
46.27
Active Coils - Build Spec.
20.27
Active Coils
20.27
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)
+/-0.008
Outside Diameter Tolerance (in)
+/-0.003
Outside Diameter Tolerance (mm)
+/-0.08
Outside Diameter Tolerance - Build Spec (in)
+/-0.003
Inside Diameter - Build Spec (in)
0.05
Outside Diameter Lower Tolerance (in)
0.00
Outside Diameter Upper Tolerance (in)
0.00
Outside Diameter Upper Tolerance (mm)
0.08
Outside Diameter Lower Tolerance (mm)
0.08
Model Code
CB

Micro Compression Spring: OD 0.057 in, FL 0.625 in, Elgiloy

Bantam™ Mini Series (inch) Compression Springs

Miniature Compression Springs with Big Performance.

Lee Spring part CB0045C 09 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 0.057 inches (1.45 mm) with a 0.063-inch hole diameter (1.6-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 0.196 lb/inch (0.034 N/mm) across its 0.625-inch free length (15.88-mm free length). With squared ends and 20.27 active coils out of 22.27 total coils, the spring compresses to a solid height of 0.105 inches (2.67 mm) while maintaining a load capacity of 0.102 pounds at maximum compression (0.45 N). The 0.005-inch wire diameter (0.11-mm) and 0.042-inch rod diameter (1.07 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

285211
Product Compression OD 0.057 in, Length 0.625 in, Elgiloy
Product Compression OD 1.45 mm, Length 15.88 mm, Elgiloy
Part Number CB0045C 09 E
Series Bantam™ Mini Series (inch)
Outside Diameter (inch) 0.057
Outside Diameter (cm) 0.145
Outside Diameter (mm) 1.45
Hole Diameter (inch) 0.063
Hole Diameter (cm) 0.16
Hole Diameter (mm) 1.6
Rod Diameter (inch) 0.042
Rod Diameter (cm) 0.107
Rod Diameter (mm) 1.07
Free Length (inch) 0.625
Free Length (cm) 1.588
Free Length (mm) 15.88
Rate (gm/mm) 3.5
Rate (kg/cm) 0.035
Rate (kg/mm) 0.0035
Rate (lb/inch) 0.196
Rate (gm/cm) 35
Rate (N/cm) 0.34
Rate (N/mm) 0.034
Solid Height (inch) 0.105
Solid Height (cm) 0.267
Solid Height (mm) 2.67
Wire Diameter (inch) 0.005
Wire Diameter (cm) 0.011
Wire Diameter (mm) 0.11
Material Elgiloy
Load at Solid Height (gm) 46.27
Load at Solid Height (kg) 0.046
Load at Solid Height (lb) 0.102
Load at Solid Height (N) 0.45
Ends Squared
Active Coils 20.27
Direction of Wind Factory Option
Finish None
Total Coils 22.27
0.0045 0.057 0.003 0.003 0.063 0.042 0.625 0.025 22.27 0.196 0.02 0.105 0.102 0.0045 0.625 0.057 0.11 1.45 0.08 1.6 1.07 15.88 0.635 0.034 2.67 0.45
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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