Extension Spring: OD 3.99 mm, FL 30 mm, Music WireInstrument Extension Series (metric)Precision Springs for Precision Products. Lee Spring EIM030D 09 M is a precision extension spring from the Instrument Extension Series (metric) series, engineered for applications requiring reliable quality extension springs. This spring features a 3.99-mm outside diameter (0.157 inch) with 3.38-mm loop inside diameter (0.133 inch) and extends from a free length of 30 mm (1.181 inch) to a maximum extended length of 132 mm (5.197 inch). Made from Music Wire with a 0.3-mm wire diameter (0.012 inch), the spring delivers a spring rate of 0.024 N/mm (0.139 lb/inch) through its 73.3 total coils with an initial tension of 0.245 N (0.055 lb) for predictable extension behavior. The spring supports a maximum load of 2.731 N (0.614 lb) at full extension with a body length of 22.63 mm (0.891 inch). The spring features Random loop position and Pre-coated with Tin finish for optimal performance. About the Extension Spring Instrument SeriesThe 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:
...and many more applications 237271
Product
Extension OD 0.157 in, Length 1.181 in, Music Wire
Product
Extension OD 3.99 mm, Length 30 mm, Music Wire
Part Number
EIM030D 09 M
Series
Instrument Extension Series (metric)
Outside Diameter (inch)
0.157
Outside Diameter (cm)
0.399
Outside Diameter (mm)
3.99
Wire Diameter (inch)
0.012
Wire Diameter (cm)
0.03
Wire Diameter (mm)
0.3
Max Load (gm)
278.5
Max Load (lb)
0.614
Max Load (kg)
0.2785
Max Load (N)
2.731
Rate (gm/cm) 25
Rate (gm/mm) 2.5
Rate (kg/cm) 0.025
Rate (kg/mm) 0.0025
Rate (lb/in) 0.139
Rate (N/cm) 0.24
Rate (N/mm) 0.024
Max Extended Length (cm) 13.2
Max Extended Length (in) 5.197
Max Extended Length (mm)
132
Initial Tension (gm)
24.9
Initial Tension (kg)
0.0249
Initial Tension (lb)
0.055
Initial Tension (N)
0.245
Free Length (cm)
3
Free Length (inch) 1.181
Free Length (mm) 30
Material Music Wire
Loop Inside Diameter (cm) 0.338
Loop Inside Diameter (in) 0.133
Loop Inside Diameter (mm) 3.38
Ends Crossover Loops
Loop Position Random
Direction of Wind Factory Option
Finish Pre-coated with Tin
0.012
0.157
0.005
1.181
0.024
73.3
0.055
0.011
0.139
0.013
5.197
0.614
0.012
0.891
Random
0.157
0.005
1.181
0.024
73.3
0.055
0.011
0.139
0.013
5.197
0.614
|
| Quantity | Price |
|---|---|
| 1 - 19 | $8.870 |
| 20 - 49 | $5.370 |
| 50 - 99 | $2.840 |
| 100 - 199 | $1.770 |
| 200 - 299 | $1.532 |
| 300 - 399 | $1.425 |
| 400 - 499 | $1.329 |
| 500 - 599 | $1.239 |
| 600 - 699 | $1.166 |
| 700 - 799 | $1.102 |
| 800 - 899 | $1.046 |
| 900 - 999 | $1.004 |
| 1000 | $0.974 |
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