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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

EIM020A 01 S

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Crossover Loops
Finish
Passivate per ASTM A967
Material
Stainless Steel
Total Coils
30.500
Published Stock Code
EIM020A01S
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.08
Rate (kg/cm)
0.08
Rate (lb/in)
0.47
Rate (gm/mm)
8.40
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Free Length (cm)
1.001
Free Length (inch)
0.394
Free Length (mm)
10.010
Free Length - Build Spec (in)
0.39
Free Length Tolerance (cm)
0.05
Free Length Tolerance (in)
0.02
Free Length Tolerance (mm)
0.51
Free Length Tolerance - Build Spec (in)
0.02
Inside Diameter (cm)
0.16
Inside Diameter (in)
0.06
Inside Diameter (mm)
1.60
Outside Diameter (cm)
0.201
Outside Diameter (in)
0.08
Outside Diameter (mm)
2.01
Outside Diameter - Build Spec (in)
0.08
Outside Diameter Tolerance (cm)
0.01
Outside Diameter Tolerance (in)
0.00
Outside Diameter Tolerance (mm)
0.10
Outside Diameter Tolerance - Build Spec (in)
0.00
Rate (gm/cm)
84.00
Rate (kg/mm)
0.01
Rate (N/cm)
0.82
Rate - Build Spec (lb/in)
0.47
Rate Tolerance (gm/cm)
8.20
Rate Tolerance (gm/mm)
0.82
Rate Tolerance (kg/cm)
0.01
Rate Tolerance (kg/mm)
0.00
Rate Tolerance (lb/in)
0.05
Rate Tolerance (N/cm)
0.08
Rate Tolerance (N/mm)
0.01
Rate Tolerance - Build Spec (lb/in)
0.05
Total Coils - Build Spec
30.46
Wire Diameter (cm)
0.02
Wire Diameter (inch)
0.01
Wire Diameter (mm)
0.20
Wire Diameter - Build Spec (in)
0.01
Material Short Description
SS
Product Series
Instrument Extension Series (metric)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
0.03
Initial Tension (lb)
0.03
Initial Tension (N)
0.11
Initial Tension (kg)
0.01
Initial Tension (gm)
11.30
Initial Tension Tolerance - Build Spec. (lb)
0.01
Initial Tension Tolerance (lb)
0.01
Initial Tension Tolerance (N)
0.02
Initial Tension Tolerance (kg)
0.00
Initial Tension Tolerance (gm)
2.27
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
0.32
Max Load (lb)
0.32
Max Load (kg)
0.15
Max Load (gm)
145.20
Max Extended Length - Build Spec. (in)
1.02
Max Extended Length (in)
1.02
Max Extended Length (mm)
25.96
Max Extended Length (cm)
2.60
Body Length - Build Spec. (in)
0.25
Body Length (in)
0.25
Body Length (mm)
6.40
Body Length (cm)
0.64
Loop Inside Diameter - Build Spec. (in)
0.06
Loop Inside Diameter (in)
0.06
Loop Inside Diameter (mm)
1.60
Loop Inside Diameter (cm)
0.16
Loop Position
Random
Loop Opening - Build Spec. (in)
0.01
Loop Opening (in)
0.01
Loop Opening (mm)
0.20
Loop Opening (cm)
0.02
Max Load (N)
1.42
Inside Diameter - Build Spec (in)
0.06
Model Code
EIM

Instrument Extension Series (metric)

Precision Springs for Precision Products.

Lee Spring EIM020A 01 S is a precision extension spring from the Instrument Extension Series (metric) series, engineered for applications requiring reliable quality extension springs. This spring features a 2.01-mm outside diameter (0.079 inch) with 1.6-mm loop inside diameter (0.063 inch) and extends from a free length of 10.01 mm (0.394 inch) to a maximum extended length of 25.96 mm (1.022 inch). Made from Stainless Steel with a 0.2-mm wire diameter (0.008 inch), the spring delivers a spring rate of 0.082 N/mm (0.47 lb/inch) through its 30.5 total coils with an initial tension of 0.111 N (0.025 lb) for predictable extension behavior. The spring supports a maximum load of 1.423 N (0.32 lb) at full extension with a body length of 6.4 mm (0.252 inch). The spring features Random loop position and Passivate per ASTM A967 finish for optimal performance.

About the Extension Spring Instrument Series

The Lee Spring Extension Spring Instrument Series includes a wide range of size and rate combinations in a smaller, highly precise spring design. Selections are sorted in ascending order based on outside diameter. Instrument Series Extension Springs are available in both inch and metric sizes. Sizes range from outside diameters from .063" up to .157" and free lengths from .250" to 1.181". Inch Series springs are available in Music Wire, Type 302 Stainless Steel and Type 316 Stainless Steel. Metric Series springs are available in Music Wire and Type 302 Stainless Steel. The Music Wire springs are made from coated wire or provided with a plating finish for light corrosion resistance. The Type 302 Stainless Steel springs are passivated, while Type 316 Stainless Steel springs are passivated and ultrasonically cleaned.

Instrument Extension Series (metric) Extension 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

236461
Product Extension OD 0.079 in, Length 0.394 in, Stainless Steel
Product Extension OD 2.01 mm, Length 10.01 mm, Stainless Steel
Part Number EIM020A 01 S
Series Instrument Extension Series (metric)
Outside Diameter (inch) 0.079
Outside Diameter (cm) 0.201
Outside Diameter (mm) 2.01
Wire Diameter (inch) 0.008
Wire Diameter (cm) 0.02
Wire Diameter (mm) 0.2
Max Load (gm) 145.2
Max Load (lb) 0.32
Max Load (kg) 0.1452
Max Load (N) 1.423
Rate (gm/cm) 84
Rate (gm/mm) 8.4
Rate (kg/cm) 0.084
Rate (kg/mm) 0.0084
Rate (lb/in) 0.47
Rate (N/cm) 0.82
Rate (N/mm) 0.082
Max Extended Length (cm) 2.596
Max Extended Length (in) 1.022
Max Extended Length (mm) 25.96
Initial Tension (gm) 11.3
Initial Tension (kg) 0.0113
Initial Tension (lb) 0.025
Initial Tension (N) 0.111
Free Length (cm) 1.001
Free Length (inch) 0.394
Free Length (mm) 10.01
Material Stainless Steel
Loop Inside Diameter (cm) 0.16
Loop Inside Diameter (in) 0.063
Loop Inside Diameter (mm) 1.6
Ends Crossover Loops
Loop Position Random
Direction of Wind Factory Option
Finish Passivate per ASTM A967
0.008 0.079 0.004 0.394 0.02 30.5 0.025 0.005 0.47 0.046 1.022 0.32 0.008 0.252 Random 0.079 0.004 0.394 0.02 30.5 0.025 0.005 0.47 0.046 1.022 0.32
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Quantity Price
1 - 19 $9.210
20 - 49 $5.600
50 - 99 $2.960
100 - 199 $1.870
200 - 299 $1.566
300 - 399 $1.476
400 - 499 $1.390
500 - 599 $1.321
600 - 699 $1.253
700 - 799 $1.200
800 - 899 $1.153
900 - 999 $1.116
1000 $1.090

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