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At Ajax Wire, in addition to a growing list of stock springs, we carry a line of equivalent springs for Select-A-Spring, Century's Hardware line, Associated Spring, Lee Spring, Gardner Spring, Servalite, Midwest Spring and Curtis.
Springs by Type
Compression Springs
Barrel Compression Springs
Cone Compression Springs
Double Cone Compression Springs
Extension Springs
Extension Hook Springs
Torsion Springs
Springs by Material
Brass Springs
Galvanized Hard Drawn Wire
Music Wire Springs
Oil Tempered Springs
Stainless Steel Springs
Springs by Manufacturer
Ajax Springs
Associated/Lee Spring (equivalents)
Century Spring (equivalents)
Gardner Spring (equivalents)
Midwest Fastener (equivalents)
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Midwest Fastener (equivalents)
Search by Part Number:
Manufacturer:
Midwest Fastener
Spring Type:
Compression
Extension
Extension Hook
Torsion
Spring Material:
Galvanized Hard Drawn
Wire Size:
0.015
0.020
0.023
0.025
0.026
0.028
0.031
0.032
0.034
0.035
0.036
0.041
0.047
0.048
0.054
0.062
0.063
0.072
0.080
0.091
0.105
0.120
0.135
OD:
OAL:
Spring Rate:
Max Load:
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Part Number
Ajax Part Number
Manufacturer
Spring Type
Spring Material
Wire Size
OD
OAL
41
SAS191
Midwest Fastener
Extension
Galvanized Hard Drawn
0.062
0.718
3.250
42
HH50
Midwest Fastener
Extension
Galvanized Hard Drawn
0.135
1.125
5.750
43
SAS180
Midwest Fastener
Extension
Galvanized Hard Drawn
0.023
0.187
3.562
44
SAS179
Midwest Fastener
Extension
Galvanized Hard Drawn
0.036
0.312
3.750
45
440
Midwest Fastener
Extension Hook
Galvanized Hard Drawn
0.023
0.312
2.500
46
51
Midwest Fastener
Extension Hook
Galvanized Hard Drawn
0.035
0.343
4.000
47
29
Midwest Fastener
Extension
Galvanized Hard Drawn
0.047
0.437
3.687
48
10
Midwest Fastener
Extension
Galvanized Hard Drawn
0.041
0.406
2.750
49
9
Midwest Fastener
Extension
Galvanized Hard Drawn
0.062
0.437
2.937
50
27
Midwest Fastener
Extension
Galvanized Hard Drawn
0.062
0.500
3.625
51
60
Midwest Fastener
Compression
Galvanized Hard Drawn
0.072
0.687
9.500
52
55
Midwest Fastener
Compression
Galvanized Hard Drawn
0.062
0.812
3.250
53
45
Midwest Fastener
Compression
Galvanized Hard Drawn
0.047
0.750
3.375
54
47
Midwest Fastener
Compression
Galvanized Hard Drawn
0.080
0.875
3.437
55
SAS171
Midwest Fastener
Extension
Galvanized Hard Drawn
0.105
0.750
4.156
56
SAS170
Midwest Fastener
Extension
Galvanized Hard Drawn
0.105
0.750
3.812
57
SAS186
Midwest Fastener
Extension
Galvanized Hard Drawn
0.032
0.250
4.750
58
439
Midwest Fastener
Extension
Galvanized Hard Drawn
0.105
0.750
3.437
59
438
Midwest Fastener
Extension
Galvanized Hard Drawn
0.105
0.750
3.250
60
53
Midwest Fastener
Extension
Galvanized Hard Drawn
0.072
0.562
3.937
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