Cot Extension Springs

Cot springs offer high loads in static applications with small deflections. Ends are easily installable machine hooks. Material is MBHD (Medium Basic Hard Drawn) Carbon Steel - finish is zinc plated. Nine stock sizes from 1 & 5/8 to 3 & 3/4 inches in length offer maximum recommended loads ranging from just over 18 pounds to just under 50 pounds.

Filter By

COT OD (in)
COT WD (in)
COT FL (in)
COT RT (in)
COT Material
Part NumberOutside DiameterWire DiameterLengthRate (lbs)Material
37 COT

0.687

0.1055

2.750

53.91

HDMB

37 SPECIAL

0.687

0.0915

2.500

28.52

HDMB

37A COT

0.718

0.1055

1.625

125.69

HDMB

37B COT

0.750

0.1055

2.250

67.09

HDMB

37BS COT

0.750

0.1055

2.000

95.29

HDMB

37C COT

0.750

0.1055

2.438

60.00

HDMB

38 COT

0.500

0.0800

1.719

72.25

HDMB

39 COT

0.718

0.1205

3.375

75.91

HDMB

39A COT

0.750

0.1055

2.625

49.20

HDMB

Filter By

COT OD (mm)
COT WD (mm)
COT FL (mm)
COT RT (mm)
COT Material
Part NumberOutside DiameterWire DiameterLengthRate (N)Material
37 COT

17.45

2.680

69.850

9.43

HDMB

37 SPECIAL

17.45

2.324

63.500

4.99

HDMB

37A COT

18.24

2.680

41.275

21.99

HDMB

37B COT

19.05

2.680

57.150

11.75

HDMB

37BS COT

19.05

2.680

50.800

16.68

HDMB

37C COT

19.05

2.680

61.920

10.50

HDMB

38 COT

12.70

2.032

43.660

12.64

HDMB

39 COT

18.24

3.061

85.725

13.28

HDMB

39A COT

19.05

2.680

66.675

8.61

HDMB

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