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Round Wire Coil Springs, Defection O.D. Referenced, Stainless Steel, Heavy Load【1-100 Pieces Per Package】 (Part Numbers)

Round Wire Coil Springs, Defection O.D. Referenced, Stainless Steel, Heavy Load

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  • Round Wire Coil Springs, Defection O.D. Referenced, Stainless Steel, Heavy Load
  • Round Wire Coil Springs, Defection O.D. Referenced, Stainless Steel, Heavy Load
  • Round Wire Coil Springs, Defection O.D. Referenced, Stainless Steel, Heavy Load
  • Volume Discount

[Features]·This is an outer diameter standard type spring. Note that this product is manufactured with priority given to the outer diameter tolerance. ·Although it is a stainless steel spring, it is magnetic. Please note.

  • RoHS

Economy Round Wire Coil Springs

Stainless Steel Heavy Load Reliable

- Superior performance with stainless steel durability.

- O.D. Referenced design ensures exact fit and reliable performance.

- Available in a variety of lengths and diameters to meet your needs.

- High quality at a lower cost, perfect for budget-conscious projects.

- Configurable spring constant and load capacity for tailored solutions.

Economy Index Plunger with Knob (M8-M10)
MISUMI Economy Logo

MISUMI Standard
MISUMI Standard

Cheaper Price
Cheaper Price

Product Variety
Product Variety

3D CAD
3D CAD Support

 
Product Overview
 
♢When purchasing of Round Wire Springs, please note that this spring is the outer diameter standard type, manufactured with priority to the outer diameter tolerance, and suitable for hole installation occasions.
♢Stainless steel springs are also magnetic. Please be careful.
 
Dimensional Drawings
 
Product Drawings
 
Outer Diameter Dφ10 or Less Round Wire Springs Free Length L50 or Less±1mm
 φAbove 12 Round Wire Springs  Above 60±2mm
 
Material of Round Wire Springs
Material SUS304-WPB Spring Constant ±10%
 
Specification Table
 
■C-UM: Fmax. (allowable displacement) = L×Fa%
The outer diameter standard type gives priority to guaranteeing the outer diameter, while the inner diameter is for reference only.
TYPECoil O.D. D - Free Length LWire Diameter
d
Solid
Length
F
max.
N{kgf}
max.
Fa%
C-UM4- 50.42.21.753.4{0.35}35
 100.54.93.56.8{0.7 }
 150.557.55.2510.3{1.05}
 200.611.17.013.7{1.4 }
5-50.452.251.753.4{0.35 }
 100.53.133.56.8{0.7 }
 150.658.455.2510.3{1.05}
 200.658.457.013.7{1.4 }
 300.711.910.524.0{2.45}
 350.7516.512.2520.6{2.1 }
6- 50.552.71.74.9{0.5 }
 100.75.63.510.8{1.1 }
 150.757.45.215.7{1.6 }
 200.757.47.020.6{2.1 }
 250.8512.88.725.5{2.6 }
 300.8512.810.531.4{3.2 }
 350.916.712.236.3{3.7 }
 400.916.814.041.2{4.2 }
8-100.856.43.510.8{1.1 }
 150.97.95.315.7{1.6 }
 200.97.97.020.6{2.1 }
 250.97.98.825.5{2.6 }
 301.012.010.531.4{3.2 }
 351.012.012.336.3{3.7 }
10-100.95.23.510.8{1.1 }
 151.07.35.315.7{1.6 }
 201.07.37.020.6{2.1 }
 251.110.58.825.5{2.6 }
 301.110.510.531.4{3.2 }
13-151.28.45.315.7{1.6 }
 201.311.17.020.6{2.1 }
 251.311.18.825.5{2.6 }
 401.415.114.041.2{4.2}
20-301.913.310.552.0{5.3 }
kgf (load)=N/mm (spring constant)×0.101972×F (displacement)                                                              
{kgf}=N×0.101972                                                               
 
■C-UH: Fmax. (allowable displacement) = L×Fa%
The outer diameter standard type gives priority to guaranteeing the outer diameter, while the inner diameter is for reference only
TYPECoil O.D. D - Free Length LWire Diameter
d
Solid
Length
F
max.
N{kgf}
max.
Fa%
C-UH4- 50.452.71.54.4{ 0.45}30
 100.53.83.08.8{ 0.9 }
 150.68.14.513.2{ 1.35}
5- 50.553.31.54.4{ 0.45 }
 100.64.653.08.8{ 0.9 }
 150.64.654.513.2{ 1.35}
 250.7511.817.522.1{ 2.25}
6- 50.653.21.58.8{ 0.9 }
 100.73.93.017.7{ 1.8 }
 150.857.74.526.5{ 2.7 }
 200.99.76.035.3{ 3.6 }
 251.015.57.544.1{ 4.5 }
 301.015.59.053.0{ 5.41 }
8-100.95.33.017.7{ 1.8 }
 150.95.34.526.5{ 2.7 }
 201.1116.035.3{ 3.6 }
 251.1117.544.1{ 4.5 }
 301.215.99.053.0{ 5.4 }
10-151.16.94.526.5{ 2.7 }
 201.29.36.035.3{ 3.6 }
 251.29.37.544.1{ 4.5 }
 301.312.79.053.0{ 5.4 }
 351.417.510.561.8{ 6.3 }
13-151.59.24.544.1{ 4.5 }
 201.59.26.058.8{ 6 }
 251.59.27.573.5{ 7.5 }
 301.8189.088.3{ 9 }
 502.028.515.0147.0{15.0 }
16-452.225.113.5132.4{ 13.51 }
20-302.313.89.0132.4{ 13.51 }
 352.518.810.5154.9{ 15.81 }
 402.518.812.0176.5{ 18.01 }
 452.829.413.5199.1{ 20.32 }
Both ends of C-UM/C-UH models with * are not ground.
● Calculation method of laps (reference value):
         Total number of laps = solid length ÷ wire diameter (d)-1
         Effective laps=total number of laps-2
*The number of laps is a reference value. There will be some deviations among batches.
The solid length is a reference value. There will be slight differences among batches.
 Moreover, if it is used under the limit condition of the solid length, it may cause the spring to be deformed or be damaged after using only a limited number of times.
Be sure to use within the allowable displacement Fmax.(mm)

■Spring Constant The spring constant
“”D12 is for C-UY・C-UR・C-UF・C-UBB only. D14 is for C-UBB only.
 TypeC-UVC-UYC-URC-UFC-ULC-UTTC-UMC-UHC-UBB
D 
2    0.05{0.005}  0.2{0.02}  0.3{0.03}  0.5{0.05}             
3 N/mm
0.05
{kgf/mm}{0.005}
  N/mm
0.098
{kgf/mm}{0.01}
  N/mm
0.29
{kgf/mm}
{0.03}
  N/mm
0.49
{kgf/mm}
{0.05}
  N/mm
0.98
{kgf/mm}
{0.1}
  1.5{0.15}          
4             2.0
{0.2}
  2.9{0.3}  4.9{0.5} 
5           N/mm
2.0
{kgf/mm}
{0.2}
       
6             N/mm
2.9
{kgf/mm}
{0.3}
  N/mm
5.9
{kgf/mm}
{0.6}
  N/mm
9.8
{kgf/mm}
{1.0}
 
8                  
10    N/mm
0.2
{kgf/mm}
{0.02}
               
12                   
13                N/mm
9.8
{kgf/mm}
{1.0}
  N/mm
19.6
{kgf/mm}
{2.0}
 
14                   
16                   
20    0.3{0.03}  0.5{0.05}  0.98{0.1}  2.9{0.3}  3.9{0.4}  4.9{0.5}  14.7{1.5}  29.4{3.0} 
Fmax.F=L×70%F=L×75%F=L×60%F=L×45%F=L×40%F=L×40%F=L×35%F=L×30%F=L×25%
 
Product Features
 
Different from ordinary springs on the market, MISUMI Round Wire Springs are more precise and refined, divided into the inner diameter standard type and the outer diameter standard type, the former of which is manufactured giving priority to the inner diameter tolerance while the latter is manufactured giving priority to the outer diameter tolerance.

Select an appropriate Round Wire Springs type according to the actual installation situation, and refer to the published content for the specific inner and outer diameter tolerance values.
* The solid length is a reference value. If it is used under the limit condition of the solid length, the spring may be deformed, or damaged after using only a limited number of times. Therefore, use within the allowable displacement Fmax.(mm).
To increase the usage count, it is recommended to use the spring up to 70% of the allowable displacement Fmax..
外径安装示意图
*The test data are obtained through testing by our company, which are for reference only.
*Generic products on the market are similar products randomly purchased by our company from online or offline markets
外径安装示意图
Installation Diagram of Outer Diameter Standard Type Round Wire Coil Spring
 
Precautions
 
Precautions for use of Round Wire Springs
Operating temperature of Round Wire Springs
SWP-A……Normal temperature (0~40℃)
Stainless steel……-10~100℃
Spring oil tempered steel wire……Normal temperature (0~40℃)
*If the spring is used under conditions exceeding the above temperature, the load value may decrease due to usage conditions.
*When used in an environment with high and low temperature differences and humidity such as outdoors, it is recommended to choose stainless steel products.
* Heat-resistant springs can also be used. For details, refer to the Plastic Mold Components Catalog.
Stainless steel springs are also magnetic. Please be careful.
 
Example of Use
 
Example of Use for Springs
Hole Reference Positioning Mechanism
A Round Wire Springs is mechanism for positioning the workpiece based on the hole reference.
Loosening during positioning can be reduced by using a tapered pin to eliminate the deviation caused by the tolerance of each workpiece hole.
Select the compression spring to move from the beginning of the positioning contact with the workpiece.
 
Related Products
 
Related ProductsRelated ProductsRelated Products
(Economy series) Round Wire Springs - Outer Diameter Standard Stainless Steel, Ultra Heavy Load, Spring Constant 4.9 to 29.4N/mm(Economy series) Round Wire Springs - Inner Diameter Standard Stainless Steel, Light Load, Spring Constant 0.29 to 0.49 N/mm(Economy series) Round Wire Springs - Outer Diameter Standard Stainless Steel, Light Load, Spring Constant 0.5 to 3.9 N/mm
Reason for Recommendation: MISUMI Basic Round Wire Springs, Outer Diameter Standard Type, Ultra Heavy Load TypeReason for Recommendation: MISUMI Basic Round Wire Springs, Inner Diameter Standard Type, Light Load TypeReason for Recommendation: MISUMI Basic Round Wire Springs, Outer Diameter Standard Type, Light Load Type

Part Number 

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Part Number
C-UH4-5
C-UH4-5-PACK
C-UH4-10
C-UH4-10-PACK
C-UH4-15
C-UH4-15-PACK
C-UH4-20
C-UH4-20-PACK
C-UH5-5
C-UH5-5-PACK
C-UH5-10
C-UH5-10-PACK
C-UH5-15
C-UH5-15-PACK
C-UH5-20
C-UH5-20-PACK
C-UH5-25
C-UH5-25-PACK
C-UH5-45-PACK
C-UH6-5
C-UH6-5-PACK
C-UH6-10
C-UH6-10-PACK
C-UH6-15
C-UH6-15-PACK
C-UH6-20
C-UH6-20-PACK
C-UH6-25
C-UH6-25-PACK
C-UH6-30
C-UH6-30-PACK
C-UH8-10
C-UH8-10-PACK
C-UH8-15
C-UH8-15-PACK
C-UH8-20
C-UH8-20-PACK
C-UH8-25
C-UH8-25-PACK
C-UH8-30
C-UH8-30-PACK
C-UH8-40
C-UH8-40-PACK
C-UH10-15
C-UH10-15-PACK
C-UH10-20
C-UH10-20-PACK
C-UH10-25
C-UH10-25-PACK
C-UH10-30
C-UH10-30-PACK
C-UH10-35
C-UH10-35-PACK
C-UH10-40-PACK
C-UH13-15
C-UH13-15-PACK
C-UH13-20
C-UH13-20-PACK
C-UH13-25
C-UH13-25-PACK
C-UH13-30
C-UH13-30-PACK
C-UH13-35
C-UH13-35-PACK
C-UH13-50
C-UH13-50-PACK
C-UH16-15-PACK
C-UH16-25
C-UH16-25-PACK
C-UH16-45
C-UH16-45-PACK
C-UH20-25-PACK
C-UH20-30
C-UH20-30-PACK
C-UH20-35
C-UH20-35-PACK
C-UH20-40
C-UH20-40-PACK
C-UH20-45
C-UH20-45-PACK
C-UH20-50
C-UH20-50-PACK
C-UM4-5
C-UM4-5-PACK
C-UM4-10
C-UM4-10-PACK
C-UM4-15
C-UM4-15-PACK
C-UM4-20
C-UM4-20-PACK
Part NumberStandard Unit PriceNumber of pc(s). included in pkg.Minimum order quantityVolume DiscountDays to ShipFree Length L
(mm)
Inner Dia. D-2d (or D)
(Ø)
Outer Dia. D (or D1)
(Ø)
Spring Constant
(N/mm)
Material Wire Dia.
(Ø)
Height H2 at Allowable Load
(mm)
Allowable Load P2
(N)
End Face Condition Total Number of Turns N Solid Length
(mm)
Allowable Displacement
(mm)
Sales Package

MYR 1.13

1 Piece(s)Available 1 Day(s) or more 53.142.9SUS304-WPB0.453.54.4Non-grinding Processing52.71.5Single Item

MYR 106.70

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 5-4----------

MYR 0.96

1 Piece(s)Available 1 Day(s) or more 10342.9SUS304-WPB0.578.8Non-grinding Processing6.63.83Single Item

MYR 90.89

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 10-4----------

MYR 1.28

1 Piece(s)Available 1 Day(s) or more 152.842.9SUS304-WPB0.610.513.2Grinding12.58.14.5Single Item

MYR 120.92

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 15-4----------

MYR 1.28

100 Piece(s)Available 11 Day(s) or more 202.742.9SUS304-WPB0.651417.6Grinding1711.76Single Item

MYR 120.92

100 Pieces Per Package

1 Pack(s) 11 Day(s) or more 20-4----------

MYR 1.11

100 Piece(s)Available 10 Day(s) or more 53.952.9SUS304-WPB0.553.54.4Non-grinding Processing53.31.5-

MYR 105.12

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 5-5----------

MYR 1.06

1 Piece(s)Available 1 Day(s) or more 103.852.9SUS304-WPB0.678.8Grinding6.84.653Single Item

MYR 101.16

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 10-5----------

MYR 1.26

1 Piece(s)Available 1 Day(s) or more 153.852.9SUS304-WPB0.610.513.2Grinding6.84.654.5Single Item

MYR 120.13

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 15-5----------

MYR 1.28

100 Piece(s)Available 11 Day(s) or more 203.552.9SUS304-WPB0.751417.6Grinding14.7411.816Single Item

MYR 120.92

100 Pieces Per Package

1 Pack(s) 11 Day(s) or more 20-5----------

MYR 1.26

1 Piece(s)Available 1 Day(s) or more 253.552.9SUS304-WPB0.7517.522.1Grinding14.711.817.5Single Item

MYR 120.13

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 25-5----------

MYR 177.04

100 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 453.252.9SUS304-WPB0.931.539.7Grinding Processing3128.813.5-

MYR 1.02

1 Piece(s)Available 1 Day(s) or more 54.765.9SUS304-WPB0.653.58.8Non-grinding Processing3.93.21.5Single Item

MYR 97.21

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 5-6----------

MYR 1.13

1 Piece(s)Available 1 Day(s) or more 104.665.9SUS304-WPB0.7717.7Grinding4.63.93Single Item

MYR 106.70

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 10-6----------

MYR 1.13

1 Piece(s)Available 1 Day(s) or more 154.365.9SUS304-WPB0.8510.526.5Grinding8.17.74.5Single Item

MYR 106.70

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 15-6----------

MYR 1.19

1 Piece(s)Available 1 Day(s) or more 204.265.9SUS304-WPB0.91435.3Grinding9.89.76Single Item

MYR 113.02

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 20-6----------

MYR 1.28

1 Piece(s)Available 1 Day(s) or more 25465.9SUS304-WPB117.544.1Grinding14.515.57.5Single Item

MYR 120.92

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 25-6----------

MYR 1.50

100 Piece(s)Available 10 Day(s) or more 30465.9SUS304-WPB12153.0Grinding Processing14.515.59-

MYR 142.26

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 30-6----------

MYR 1.32

1 Piece(s)Available 1 Day(s) or more 106.285.9SUS304-WPB0.9717.7Grinding4.95.33Single Item

MYR 125.66

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 10-8----------

MYR 1.32

1 Piece(s)Available 1 Day(s) or more 156.285.9SUS304-WPB0.910.526.5Grinding4.95.34.5Single Item

MYR 125.66

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 15-8----------

MYR 1.51

1 Piece(s)Available 1 Day(s) or more 205.885.9SUS304-WPB1.11435.3Grinding9116Single Item

MYR 143.84

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 20-8----------

MYR 1.51

1 Piece(s)Available 1 Day(s) or more 255.885.9SUS304-WPB1.117.544.1Grinding9117.5Single Item

MYR 143.84

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 25-8----------

MYR 1.66

1 Piece(s)Available 1 Day(s) or more 305.685.9SUS304-WPB1.22153.0Grinding12.315.99Single Item

MYR 158.07

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 30-8----------

MYR 2.13

100 Piece(s)Available 11 Day(s) or more 405.485.9SUS304-WPB1.32870.6Grinding16.7623.112Single Item

MYR 202.33

100 Pieces Per Package

1 Pack(s) 11 Day(s) or more 40-8----------

MYR 1.51

1 Piece(s)Available 1 Day(s) or more 157.8105.9SUS304-WPB1.110.526.5Grinding5.36.94.5Single Item

MYR 143.84

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 15-10----------

MYR 1.77

1 Piece(s)Available 1 Day(s) or more 207.6105.9SUS304-WPB1.21435.3Grinding6.89.36Single Item

MYR 167.55

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 20-10----------

MYR 1.77

1 Piece(s)Available 1 Day(s) or more 257.6105.9SUS304-WPB1.217.544.1Grinding6.89.37.5Single Item

MYR 167.55

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 25-10----------

MYR 2.38

1 Piece(s)Available 1 Day(s) or more 307.4105.9SUS304-WPB1.32153.0Grinding8.812.79Single Item

MYR 226.04

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 30-10----------

MYR 2.54

1 Piece(s)Available 1 Day(s) or more 357.2105.9SUS304-WPB1.424.561.8Grinding11.517.510.5Single Item

MYR 241.06

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 35-10----------

MYR 266.35

100 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 407.2105.9SUS304-WPB1.42870.6Grinding Processing11.517.512-

MYR 2.28

100 Piece(s)Available 10 Day(s) or more 1510139.8SUS304-WPB1.510.544.1Grinding Processing5.19.24.5-

MYR 216.56

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 15-13----------

MYR 2.26

1 Piece(s)Available 1 Day(s) or more 2010139.8SUS304-WPB1.51458.8Grinding5.19.26Single Item

MYR 214.19

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 20-13----------

MYR 2.30

1 Piece(s)Available 1 Day(s) or more 2510139.8SUS304-WPB1.517.573.5Grinding5.19.27.5Single Item

MYR 218.93

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 25-13----------

MYR 3.24

1 Piece(s)Available 1 Day(s) or more 309.4139.8SUS304-WPB1.82188.3Grinding9189Single Item

MYR 308.24

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 30-13----------

MYR 2.59

100 Piece(s)Available 11 Day(s) or more 359.4139.8SUS304-WPB1.824.5103Grinding91810.5Single Item

MYR 245.80

100 Pieces Per Package

1 Pack(s) 11 Day(s) or more 35-13----------

MYR 5.21

100 Piece(s)Available 10 Day(s) or more 509139.8SUS304-WPB235147Grinding13.228.515Single Item

MYR 495.56

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 50-13----------

MYR 250.54

100 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 1512.6169.8SUS304-WPB1.710.444.1Grinding Processing4.69.64.6-

MYR 3.45

100 Piece(s)Available 11 Day(s) or more 2512.2169.8SUS304-WPB1.917.573.5Grinding6.36147.5Single Item

MYR 328.00

100 Pieces Per Package

1 Pack(s) 11 Day(s) or more 25-16----------

MYR 5.65

100 Piece(s)Available 10 Day(s) or more 4511.6169.8SUS304-WPB2.231.5132.4Grinding Processing10.425.113.5-

MYR 537.45

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 45-16----------

MYR 354.08

100 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 2515.42014.7SUS304-WPB2.317.5110.8Grinding Processing513.87.5-

MYR 4.93

100 Piece(s)Available 10 Day(s) or more 3015.42014.7SUS304-WPB2.321132.4Grinding Processing513.89-

MYR 467.90

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 30-20----------

MYR 6.26

100 Piece(s)Available 10 Day(s) or more 35152014.7SUS304-WPB2.524.5154.9Grinding Processing6.518.810.5-

MYR 595.15

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 35-20----------

MYR 6.56

100 Piece(s)Available 10 Day(s) or more 40152014.7SUS304-WPB2.528176.5Grinding Processing6.518.812-

MYR 622.81

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 40-20----------

MYR 6.59

100 Piece(s) 10 Day(s) or more 4514.42014.7SUS304-WPB2.831.5199.1Grinding Processing9.529.413.5-

MYR 625.97

100 Pieces Per Package

1 Pack(s)Available 11 Day(s) or more 45-20----------

MYR 5.69

100 Piece(s) 11 Day(s) or more 5014.42014.7SUS304-WPB2.835220.6Grinding9.529.415Single Item

MYR 540.61

100 Pieces Per Package

1 Pack(s) 11 Day(s) or more 50-20----------

MYR 1.02

1 Piece(s)Available 1 Day(s) or more 53.242SUS304-WPB0.43.253.4Non-grinding Processing4.52.21.75Single Item

MYR 97.21

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 5-4----------

MYR 0.96

1 Piece(s)Available 1 Day(s) or more 10342SUS304-WPB0.56.56.8Non-grinding Processing8.84.93.5Single Item

MYR 90.89

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 10-4----------

MYR 1.32

1 Piece(s)Available 1 Day(s) or more 152.942SUS304-WPB0.559.7510.3Grinding12.67.55.25Single Item

MYR 125.66

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 15-4----------

MYR 1.40

1 Piece(s)Available 1 Day(s) or more 202.842SUS304-WPB0.61313.7Grinding17.511.17Single Item

MYR 133.57

100 Pieces Per Package

1 Pack(s)Available 6 Day(s) or more 20-4----------

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Frequently asked question (FAQ)

Question: How long is the life of a basic round wire coil spring?
Answer: Unfortunately, there are no specific test values as reference regarding the life of a round wire coil spring because there is individual difference to a certain extent and the installation conditions are complicated.
The usage count varies with the operating temperature, environment, and amount of deformation. To increase the usage count, it is recommended to use the spring up to 70% of the allowable displacement Fmax..
Question: What are the JIS standards for general spring-related materials?
Answer: Piano wires: JIS G 3522
Iron wires: JIS G 3532
Hard drawn steel wires: JIS G 3521
Stainless steel wires for springs: JIS G 4313
Question: What influence will the usage without a spring rail have on the spring?
Answer: The usage without a spring rail will cause buckling of the spring, bending of its body and other problems, leading to breakage due to high stress locally generated on the inner side of the bending part. To ensure the service life of the spring, install the spring using the shaft, outer diameter guide rail, etc.
*Basically, it is ideal to use the intermediate shaft of the inner diameter side guide rail by passing it through from the upper surface to the lower surface.
Question: What influence will the usage count of more than 300,000 times beyond the maximum displacement (when used close to the solid length) have on the spring?
Answer: The usage count of more than 300,000 times beyond the maximum displacement (when used close to the solid length) will cause high stress breakage above the calculated value on the section. In addition, near the solid length, the effective coil part will gradually get close and the spring constant will increase. Therefore, be sure to use within the allowable displacement Fmax.(mm).
Question: What is the difference between a piano steel wire spring and a hard drawn steel wire spring?
Answer: There is little difference in appearance between the two materials. In short, the piano wire is an advanced material, and the hard drawn steel wire is a general material.
The piano wire is often used as a spring for precision machinery while the hard drawn steel wire is mostly used as a peripheral spring for groceries or blinds.
They are both high-carbon steels with almost the same chemical composition. The production of piano wires is time-consuming and they are expensive because there is additional standardized management and inspection of impurities, the depth of surface scars, and the depth of decarburized layer.
Although the subtle difference is invisible to the naked eye, it has a great influence on the quality of the spring.

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