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Physical Dimension

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Load

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LHC 207S 03M

Cost
$0.00
$0.00
Price
$0.00
Weight
0.40 lb.
Direction of Wind
Factory Option
Ends
Squared and Ground
Finish
Zinc Plate and Bake per ASTM B633
Material
Music Wire
Total Coils
9.180
Product Series
Published Stock Code
LHC207S03M
Product Type
Compression Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
24.87
Rate (kg/cm)
25.36
Rate (lb/in)
142.00
Rate (gm/mm)
2535.84
Weight per Item (lb)
0.40
Material Specification
ASTM A228
Free Length (cm)
8.890
Free Length (inch)
3.500
Free Length (mm)
88.900
Free Length - Build Spec (in)
3.50
Free Length Tolerance (cm)
0.32
Free Length Tolerance (in)
0.13
Free Length Tolerance (mm)
3.18
Free Length Tolerance - Build Spec (in)
0.13
Hole Diameter (cm)
4.13
Hole Diameter (inch)
1.63
Hole Diameter (mm)
41.28
Inside Diameter (cm)
2.96
Inside Diameter (in)
1.17
Inside Diameter (mm)
29.62
Outside Diameter (cm)
4.013
Outside Diameter (in)
1.58
Outside Diameter (mm)
40.13
Outside Diameter - Build Spec (in)
1.58
Rate (gm/cm)
25358.40
Rate (kg/mm)
2.54
Rate (N/cm)
248.69
Rate - Build Spec (lb/in)
142.00
Rate Tolerance (gm/cm)
2535.84
Rate Tolerance (gm/mm)
253.58
Rate Tolerance (kg/cm)
2.54
Rate Tolerance (kg/mm)
0.25
Rate Tolerance (lb/in)
14.20
Rate Tolerance (N/cm)
24.87
Rate Tolerance (N/mm)
2.49
Rate Tolerance - Build Spec (lb/in)
14.20
Rod Diameter (cm)
2.84
Rod Diameter (inch)
1.12
Rod Diameter (mm)
28.42
Solid Height (cm)
4.83
Solid Height (inch)
1.90
Solid Height (mm)
48.26
Total Coils - Build Spec
9.18
Wire Diameter (cm)
0.53
Wire Diameter (inch)
0.21
Wire Diameter (mm)
5.26
Wire Diameter - Build Spec (in)
0.21
Hole Diameter - Build Spec. (in)
1.63
Rod Diameter - Build Spec. (in)
1.12
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)
1.90
Material Short Description
MW
Load at Solid Height (lb)
230.00
Load at Solid Height - Build Spec. (lb)
230.00
Load at Solid Height (N)
1023.09
Load at Solid Height (kg)
104.33
Load at Solid Height (gm)
104328.00
Active Coils - Build Spec.
7.18
Active Coils
7.18
Active Coils Tolerance - Build Spec.
Reference
Active Coils Tolerance
Reference
Product Series
Heavy Duty 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)
+/-0.102
Outside Diameter Tolerance (in)
+/-0.04
Outside Diameter Tolerance (mm)
+/-1.02
Outside Diameter Tolerance - Build Spec (in)
+/-0.04
Inside Diameter - Build Spec (in)
1.17
Outside Diameter Lower Tolerance (in)
0.04
Outside Diameter Upper Tolerance (in)
0.04
Outside Diameter Upper Tolerance (mm)
1.02
Outside Diameter Lower Tolerance (mm)
1.02
Model Code
LHC

Heavy Duty Series (inch) Compression Springs

Durable Springs Manufactured to Perform

Lee Spring LHC 207S 03M is a heavy-duty die compression spring from the Heavy Duty Series (inch) series, specifically engineered for demanding industrial applications requiring durabiliy and substantial load capacity. This spring features an 1.58-inch outside diameter (40.13 mm) with a 1.625-inch hole diameter (41.28 mm) and extends to a free length of 3.5 inch (88.9 mm), making it ideal for stamping and die applications. Made from Music Wire with a 0.207-inch wire diameter (5.26 mm), the spring delivers a spring rate of 142 lb/inch (24.869 N/mm) through its 7.18 active coils out of 9.18 total coils, with Factory Option wind for predictable deflection behavior. The spring compresses to a solid height of 1.9 inch (48.26 mm) while supporting a maximum load of 230 lb (1023.09 N) at full compression. The spring has Squared and Ground ends and a Zinc Plate and Bake per ASTM B633 finish for optimal die spring performance.

Compression Springs – Heavy Duty Series

The Lee Spring Heavy Duty Series of compression springs includes a range of large size and high spring rate combinations. Selections are sorted in ascending order to mating hole/bore diameter sizes.

Heavy Duty Series springs are available in Music Wire or Oil Tempered MB and Type 302 Stainless Steel. Springs in this series are pre-set to prevent length loss in operation and shotpeened for added fatigue resistance. The Music Wire/Oil Tempered MB springs are provided with a zinc plating finish for light corrosion resistance. The Type 302 Stainless Steel springs are passivated.

Lee Spring Heavy Duty Series springs feature squared and ground ends. A squared end, also called a closed end, is made by reducing the coil pitch of the ends to zero. Squareness influences how a force produced by the spring can be transferred to adjacent parts. The ground ends provide flat bearing surfaces and additional stability.

Squared and ground ends are particularly useful in applications in which 1) high-duty springs are specified, 2) unusually close tolerances on load or rate are needed, 3) solid height must be minimized, 4) accurate seating and uniform bearing pressures are required and 5) a tendency towards buckling must be reduced.

Heavy Duty Series (inch) 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

421191
Product Compression OD 1.58 in, Length 3.5 in, Music Wire
Product Compression OD 40.13 mm, Length 88.9 mm, Music Wire
Part Number LHC 207S 03M
Series Heavy Duty Series (inch)
Outside Diameter (inch) 1.58
Outside Diameter (cm) 4.013
Outside Diameter (mm) 40.13
Hole Diameter (inch) 1.625
Hole Diameter (cm) 4.128
Hole Diameter (mm) 41.28
Rod Diameter (inch) 1.119
Rod Diameter (cm) 2.842
Rod Diameter (mm) 28.42
Free Length (inch) 3.5
Free Length (cm) 8.89
Free Length (mm) 88.9
Rate (gm/mm) 2535.84
Rate (kg/cm) 25.358
Rate (kg/mm) 2.5358
Rate (lb/inch) 142
Rate (gm/cm) 25358.4
Rate (N/cm) 248.69
Rate (N/mm) 24.869
Solid Height (inch) 1.9
Solid Height (cm) 4.826
Solid Height (mm) 48.26
Wire Diameter (inch) 0.207
Wire Diameter (cm) 0.526
Wire Diameter (mm) 5.26
Material Music Wire
Load at Solid Height (gm) 104328
Load at Solid Height (kg) 104.328
Load at Solid Height (lb) 230
Load at Solid Height (N) 1023.09
Ends Squared and Ground
Active Coils 7.18
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
Total Coils 9.18
0.207 1.58 0.04 0.04 1.625 1.119 3.5 0.125 9.18 142 14.2 1.9 230 0.207 3.5 1.58 5.26 40.13 1.02 41.28 28.42 88.9 3.175 24.869 48.26 1023.09
Default View
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Quantity Price
1 - 19 $22.200
20 - 49 $14.820
50 - 99 $9.970
100 - 199 $7.300
200 - 299 $5.712
300 - 399 $5.158
400 - 499 $4.673
500 - 599 $4.253
600 - 699 $3.907
700 - 799 $3.628
800 - 899 $3.417
900 - 999 $3.282
1000 $3.212

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