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Specifications

 

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Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

LEM110BB 03 M

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Zinc Plate and Bake per ASTM B633
Material
Music Wire
Total Coils
25.000
Published Stock Code
LEM110BB03M
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
7.00
Rate (kg/cm)
7.14
Rate (lb/in)
39.97
Rate (gm/mm)
713.80
Weight per Item (lb)
0.01
Material Specification
ASTM A228
Free Length (cm)
3.391
Free Length (inch)
1.335
Free Length (mm)
33.910
Free Length - Build Spec (in)
1.34
Free Length Tolerance (cm)
0.07
Free Length Tolerance (in)
0.03
Free Length Tolerance (mm)
0.69
Free Length Tolerance - Build Spec (in)
0.03
Inside Diameter (cm)
0.33
Inside Diameter (in)
0.13
Inside Diameter (mm)
3.33
Outside Diameter (cm)
0.551
Outside Diameter (in)
0.22
Outside Diameter (mm)
5.51
Outside Diameter - Build Spec (in)
0.22
Outside Diameter Tolerance (cm)
0.02
Outside Diameter Tolerance (in)
0.01
Outside Diameter Tolerance (mm)
0.20
Outside Diameter Tolerance - Build Spec (in)
0.01
Rate (gm/cm)
7138.00
Rate (kg/mm)
0.71
Rate (N/cm)
70.00
Rate - Build Spec (lb/in)
39.97
Rate Tolerance (gm/cm)
713.80
Rate Tolerance (gm/mm)
71.38
Rate Tolerance (kg/cm)
0.71
Rate Tolerance (kg/mm)
0.07
Rate Tolerance (lb/in)
4.00
Rate Tolerance (N/cm)
7.00
Rate Tolerance (N/mm)
0.70
Rate Tolerance - Build Spec (lb/in)
4.00
Total Coils - Build Spec
25.00
Wire Diameter (cm)
0.11
Wire Diameter (inch)
0.04
Wire Diameter (mm)
1.09
Wire Diameter - Build Spec (in)
0.04
Material Short Description
MW
Product Series
Standard Extension Series (metric)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
2.42
Initial Tension (lb)
2.42
Initial Tension (N)
10.77
Initial Tension (kg)
1.10
Initial Tension (gm)
1098.20
Initial Tension Tolerance - Build Spec. (lb)
0.48
Initial Tension Tolerance (lb)
0.48
Initial Tension Tolerance (N)
2.15
Initial Tension Tolerance (kg)
0.22
Initial Tension Tolerance (gm)
219.54
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
16.37
Max Load (lb)
16.37
Max Load (kg)
7.43
Max Load (gm)
7425.40
Max Extended Length - Build Spec. (in)
1.68
Max Extended Length (in)
1.68
Max Extended Length (mm)
42.75
Max Extended Length (cm)
4.28
Body Length - Build Spec. (in)
1.12
Body Length (in)
1.12
Body Length (mm)
28.40
Body Length (cm)
2.84
Loop Inside Diameter - Build Spec. (in)
0.13
Loop Inside Diameter (in)
0.13
Loop Inside Diameter (mm)
3.33
Loop Inside Diameter (cm)
0.33
Loop Position
Inline
Loop Opening - Build Spec. (in)
0.04
Loop Opening (in)
0.04
Loop Opening (mm)
1.09
Loop Opening (cm)
0.11
Max Load (N)
72.82
Inside Diameter - Build Spec (in)
0.13
Model Code
LEM

Standard Extension Series (metric)

Selection to Match Your Needs

Lee Spring LEM110BB 03 M is a precision extension spring from the Standard Extension Series (metric) series, engineered for applications requiring reliable quality extension springs. This spring features a 5.51-mm outside diameter (0.217 inch) with 3.33-mm loop inside diameter (0.131 inch) and extends from a free length of 33.91 mm (1.335 inch) to a maximum extended length of 42.75 mm (1.683 inch). Made from Music Wire with a 1.09-mm wire diameter (0.043 inch), the spring delivers a spring rate of 7 N/mm (39.97 lb/inch) through its 25 total coils with an initial tension of 10.769 N (2.421 lb) for predictable extension behavior. The spring supports a maximum load of 72.817 N (16.37 lb) at full extension with a body length of 28.4 mm (1.118 inch). The spring features Inline loop position and Zinc Plate and Bake per ASTM B633 finish for optimal performance.

Extension Springs: Standard Series

The Lee Spring Standard Extension Spring Series includes a wide range of size and rate combinations and in both inch and metric sizes. Standard 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 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.

Lee Spring's Stock Extension Springs are supplied with full diameter loops (either to machine or crossover center style) at a random position with the exception of Metric Extension Springs which are specified to meet DIN Standards. Loop openings are approximately one wire diameter and the direction of wind is factory optional.

Standard 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

271641
Product Extension OD 0.217 in, Length 1.335 in, Music Wire
Product Extension OD 5.51 mm, Length 33.91 mm, Music Wire
Part Number LEM110BB 03 M
Series Standard Extension Series (metric)
Outside Diameter (inch) 0.217
Outside Diameter (cm) 0.551
Outside Diameter (mm) 5.51
Wire Diameter (inch) 0.043
Wire Diameter (cm) 0.109
Wire Diameter (mm) 1.09
Max Load (gm) 7425.4
Max Load (lb) 16.37
Max Load (kg) 7.4254
Max Load (N) 72.817
Rate (gm/cm) 7138
Rate (gm/mm) 713.8
Rate (kg/cm) 7.138
Rate (kg/mm) 0.7138
Rate (lb/in) 39.97
Rate (N/cm) 70
Rate (N/mm) 7
Max Extended Length (cm) 4.275
Max Extended Length (in) 1.683
Max Extended Length (mm) 42.75
Initial Tension (gm) 1098.2
Initial Tension (kg) 1.0982
Initial Tension (lb) 2.421
Initial Tension (N) 10.769
Free Length (cm) 3.391
Free Length (inch) 1.335
Free Length (mm) 33.91
Material Music Wire
Loop Inside Diameter (cm) 0.333
Loop Inside Diameter (in) 0.131
Loop Inside Diameter (mm) 3.33
Ends Standard Loops
Loop Position Inline
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.043 0.217 0.008 1.335 0.027 25 2.421 0.484 39.97 3.997 1.683 16.37 0.043 1.118 Inline 0.217 0.008 1.335 0.027 25 2.421 0.484 39.97 3.997 1.683 16.37
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Quantity Price
1 - 19 $8.870
20 - 49 $5.370
50 - 99 $2.840
100 - 199 $1.770
200 - 299 $1.589
300 - 399 $1.545
400 - 499 $1.506
500 - 599 $1.469
600 - 699 $1.439
700 - 799 $1.413
800 - 899 $1.389
900 - 999 $1.374
1000 $1.361

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