The springs as below are fixed inner diameter of 62.5mm. We can do the other spec such as inner diameter, free length, and K rate, if you have need, please contact us.

How to recognize the item
For example, 260-22K, 260mm is free length, 22kgf/mm is K rate.
Spring Rate(K)
It means the weight to have pressure for spring to 1mm
Free length
The length of the spring didn't have pressure.
Wire Diameter
The diameter of the spring material.
Maximum stroke
It's mean the maximum range under the pressure, if pressing over the stroke, The spring may deformed or failure. Please pick up as the situation.
Maximum load
It's mean the maximum load the spring can endure, if the press over the load, The spring may deformed or failure. Please pick up as the situation.
Total NO of Coils
The total coil no of the spring.
Free length 260mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
260L-22K 17.0 70.0 1540.0 9.0
260L-20K 16.5 76.6 1532.0 8.9
260L-18K 16.0 78.0 1404.0 9.1
260L-16K 15.5 81.9 1310.4 9.2
260L-14K 15.0 85.0 1190.0 9.3
260L-12K 14.5 86.3 1035.6 9.6
260L-10K 13.6 99.0 990.0 9.3
260L-8K 12.8 106.0 848.0 9.4
260L-6K 12.0 109.2 655.2 9.9
260L-5K 11.2 118.5 592.5 9.4
260L-4.5K 11.0 117.0 526.5 9.7
260L-4K 10.8 115.0 460.0 10.1
Free length 240mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
240L-24K 17.0 60.2 1444.8 8.4
240L-22K 16.5 66.5 1463.0 8.3
240L-20K 16.0 69.6 1392.0 8.4
240L-18K 15.5 74.3 1337.4 8.4
240L-16K 15.0 79.0 1264.0 8.4
240L-14K 14.5 82.0 1148.0 8.5
240L-12K 14.0 84.2 1010.4 8.7
240L-10K 13.3 89.6 896.0 8.8
240L-8K 12.5 97.5 780.0 8.8
240L-6K 11.5 107.3 643.8 8.8
240L-5K 11.0 110.0 550.0 9.0
240L-4.5K 10.8 109.0 490.5 9.2
240L-4K 10.3 118.0 472.0 8.9
Free length 220mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
220L-28K 17.0 55.5 1554.0 7.5
220L-26K 17.0 48.7 1266.2 7.9
220L-24K 16.5 54.8 1315.2 7.8
220L-22K 16.0 59.2 1302.4 7.8
220L-20K 15.5 65.1 1302.0 7.7
220L-18K 15.0 69.5 1251.0 7.7
220L-16K 14.5 73.8 1180.8 7.7
220L-14K 14.0 76.0 1064.0 7.8
220L-12K 13.5 78.5 942.0 8.0
220L-10K 12.8 86.0 860.0 7.9
220L-8K 12.1 89.8 718.4 8.1
220L-6K 11.2 96.9 581.4 8.2
220L-5K 10.8 97.4 487.0 8.5
220L-4.5K 10.5 100.0 450.0 8.5
220L-4K 10.0 106.0 424.0 8.4
Free length 200mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
200L-30K 17.0 42.3 1269.0 7.1
200L-28K 16.5 49.6 1388.8 6.9
200L-26K 16.5 43.0 1118.0 7.3
200L-24K 16.0 47.2 1132.8 7.3
200L-22K 15.5 52.9 1163.8 7.2
200L-20K 15.0 58.5 1170.0 7.1
200L-18K 14.7 57.9 1042.2 7.3
200L-16K 14.2 62.1 993.6 7.3
200L-14K 13.6 68.4 957.6 7.2
200L-12K 13.2 67.8 813.6 7.5
200L-10K 12.5 73.7 737.0 7.5
200L-8K 11.8 78.5 628.0 7.6
200L-6K 11.0 83.2 499.2 7.8
200L-5K 10.5 86.5 432.5 7.9
200L-4.5K 10 93.0 418.5 7.7
200L-4K 9.7 94.6 378.4 7.8
Free length 180mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
180L-34K 17.0 37.5 1275.0 6.5
180L-32K 16.5 44.5 1424.0 6.3
180L-30K 16.5 39.6 1188.0 6.6
180L-28K 16.0 43.4 1215.2 6.6
180L-26K 15.5 50.0 1300.0 6.4
180L-24K 15.2 51.0 1224.0 6.5
180L-22K 15.0 49.5 1089.0 6.7
180L-20K 14.5 54.8 1096.0 6.6
180L-18K 14.2 55.6 1000.8 6.7
180L-16K 13.7 59.5 952.0 6.7
180L-14K 13.2 63.3 886.2 6.7
180L-12K 12.8 63.8 765.6 6.9
180L-10K 12.1 69.4 694.0 6.9
180L-8K 11.5 71.8 574.4 7.1
180L-6K 10.8 74.2 445.2 7.4
180L-5K 10.0 84.0 420.0 7.1
180L-4.5K 9.7 86.4 388.8 7.1
180L-4K 9.5 86.1 344.4 7.3
Free length 160mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
160L-40K 17.0 29.0 1160.0 5.8
160L-38K 17.0 26.0 988.0 6.0
160L-36K 16.5 32.8 1180.8 5.8
160L-34K 16.5 27.8 945.2 6.1
160L-32K 16.0 33.0 1056.0 6.0
160L-30K 16.0 28.2 846.0 6.3
160L-28K 15.5 34.9 977.2 6.1
160L-26K 15.0 41.5 1079.0 5.9
160L-24K 14.7 42.1 1010.4 6.0
160L-22K 14.5 40.6 893.2 6.2
160L-20K 14.0 47.0 940.0 6.0
160L-18K 13.6 48.4 871.2 6.1
160L-16K 13.2 51.2 819.2 6.1
160L-14K 12.8 52.8 739.2 6.2
160L-12K 12.2 57.1 685.2 6.2
160L-10K 11.7 59.5 595.0 6.3
160L-8K 11.0 64.7 517.6 6.3
160L-6K 10.2 69.5 417.0 6.4
160L-5K 9.7 71.2 356.0 6.6
160L-4.5K 9.4 73.5 330.8 6.6
160L-4K 9.2 73.2 292.8 6.8
Free length 150mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
150L-40K 16.5 27.7 1108.0 5.5
150L-38K 16.5 26.1 991.8 5.6
150L-36K 16.0 29.4 1058.4 5.6
150L-34K 16.0 26.2 890.8 5.8
150L-32K 15.5 32.7 1046.4 5.6
150L-30K 15.2 34.6 1038.0 5.6
150L-28K 15.0 34.5 966.0 5.7
150L-26K 14.7 36.5 949.0 5.7
150L-24K 14.5 36.4 873.6 5.8
150L-22K 14.2 37.0 814.0 5.9
150L-20K 13.7 41.8 836.0 5.8
150L-18K 13.3 44.5 801.0 5.8
150L-16K 13.0 45.3 724.8 5.9
150L-14K 12.5 48.7 681.8 5.9
150L-12K 12.0 52.2 626.4 5.9
150L-10K 11.5 53.3 533.0 6.1
150L-8K 10.8 58.3 466.4 6.1
150L-6K 10.0 62.0 372.0 6.3
150L-5K 9.5 65.6 328.0 6.3
150L-4.5K 9.2 68.7 309.2 6.2
150L-4K 9.0 68.4 273.6 6.4
Free length 140mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
140L-45K 17.0 21.0 945.0 5.4
140L-40K 16.5 22.7 908.0 5.5
140L-38K 16.0 27.6 1048.8 5.4
140L-36K 16.0 24.4 878.4 5.6
140L-34K 15.5 30.8 1047.2 5.4
140L-32K 15.2 32.7 1046.4 5.4
140L-30K 15.0 34.0 1020.0 5.4
140L-28K 14.7 35.9 1005.2 5.4
140L-26K 14.5 35.7 928.2 5.5
140L-24K 14.2 37.7 904.8 5.5
140L-22K 13.8 40.3 886.6 5.5
140L-20K 13.5 40.9 818.0 5.6
140L-18K 13.2 41.5 747.0 5.7
140L-16K 12.8 44.2 707.2 5.7
140L-14K 12.2 49.4 691.6 5.6
140L-12K 11.8 50.9 610.8 5.7
140L-10K 11.2 54.9 549.0 5.7
140L-8K 10.8 53.3 426.4 6.1
140L-6K 9.7 64.0 384.0 5.8
140L-5K 9.3 64.9 324.5 6.0
140L-4.5K 9.0 67.9 305.6 5.9
140L-4K 8.8 67.5 270.0 6.1
Free length 120mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
120L-50K 16.5 14.3 715.0 4.8
120L-45K 16.0 17.2 774.0 4.8
120L-40K 15.5 18.5 740.0 4.9
120L-38K 15.2 21.8 828.4 4.8
120L-36K 15.0 21.5 774.0 4.9
120L-34K 14.7 24.7 839.8 4.8
120L-32K 14.5 24.4 780.8 4.9
120L-30K 14.2 27.6 828.0 4.8
120L-28K 14.0 27.4 767.2 4.9
120L-26K 13.7 29.1 756.6 4.9
120L-24K 13.5 29.0 696.0 5.0
120L-22K 13.2 30.8 677.6 5.0
120L-20K 12.8 33.2 664.0 5.0
120L-18K 12.5 35.0 630.0 5.0
120L-16K 12.1 37.4 598.4 5.0
120L-14K 11.7 38.6 540.4 5.1
120L-12K 11.2 41.6 499.2 5.1
120L-10K 10.8 41.9 419.0 5.3
120L-8K 10.0 48.0 384.0 5.2
120L-6K 9.5 47.3 283.8 5.6
120L-5K 9.0 51.5 257.5 5.5
120L-4.5K 8.7 53.4 240.3 5.5
120L-4K 8.4 56.2 224.8 5.4
Free length 100mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
100L-38k 14.2 16.1 611.8 4.2
100L-36k 14.0 17.2 619.2 4.2
100L-34k 13.8 16.8 571.2 4.3
100L-32k 13.6 17.9 572.8 4.3
100L-30k 13.5 17.1 513.0 4.4
100L-28k 13.2 18.7 523.6 4.4
100L-26k 13.0 19.8 514.8 4.4
100L-24k 12.6 23.2 556.8 4.3
100L-22k 12.4 23.0 506.0 4.4
100L-20k 12.1 24.6 492.0 4.4
100L-18k 11.8 25.1 451.8 4.5
100L-16k 11.5 26.7 427.2 4.5
100L-14k 11.0 29.5 413.0 4.5
100L-12k 10.8 28.4 340.8 4.7
100L-10k 10.0 34.0 340.0 4.6
100L-8k 9.5 35.8 286.4 4.7
100L-6k 8.8 39.8 238.8 4.7
100L-5K 8.5 39.8 199.0 4.9
100L-4.5K 8.2 42.4 190.8 4.8
100L-4K 8.0 42.8 171.2 4.9
Free length 80mm
ITEM Wire Diameter
(mm)
Max stroke
(mm)
Max load
(kg)
Total NO
80L-32K 12.6 14.5 464.0 3.8
80L-30K 12.4 15.4 462.0 3.8
80L-28K 12.2 16.4 459.2 3.8
80L-26K 12.0 17.4 452.4 3.8
80L-24K 11.8 17.1 410.4 3.9
80L-22K 11.5 18.6 409.2 3.9
80L-20K 11.2 20.1 402.0 3.9
80L-18K 11.0 21.1 379.8 3.9
80L-16K 10.8 21.0 336.0 4.0
80L-14K 10.3 23.5 329.0 4.0
80L-12K 9.8 26.0 312.0 4.0
80L-10K 9.5 26.5 265.0 4.1
80L-8K 9.0 28.2 225.6 4.2
80L-6K 8.5 29.1 174.6 4.4
80L-5K 8.0 32.6 163.0 4.3
80L-4.5K 7.8 33.6 151.2 4.3
80L-4K 7.5 35.2 140.8 4.3