Size (O.D)Spring Dia.I.D.StiffnessMinimum Bend(Dia. Inches)Ferrule ThreadWeight Supported Horizontally, At A Distance, Ounces
6"12"18"24"36"
LIGHTSTIFFNESS ISUNAVAILABLE
0.095"
(2.4 mm)
0.0250.031Medium1.5-0.4--- 
HeavySTIFFNESS ISUNAVAILABLE
LIGHTSTIFFNESSISUNAVAILABLE 
0.125" (3.2 mm)0.0310.050Medium1.38-0.60.1-- 
HeavySTIFFNESSISUNAVAILABLE 
0.142"
(3.6 mm)
-
0.031
0.041
-
0.065
0.05
-
Medium
Heavy
-
1
2
-
-
-
-
1.2
3.2
-
0.2
0.8
-
-
0.3
-
-
-
-
-
-
LIGHTSTIFFNESSISUNAVAILABLE
0.160" (4.1 mm)--Medium----1--
-0.065Heavy2-2.70.8---
LIGHTSTIFFNESSISUNAVAILABLE 
0.187" (4.7 mm)0.0410.088Med1J-K2.50.60.2--
HEAVYSTIFFNESSISUNAVAILABLE
0.224"
(5.7 mm)
-
-
0.054
-
-
0.100
-
-
Heavy
-
-
2
-
-
J
-
-
4.80
-
-
2.40
-
-
2
-
-
-
-
-
-
0.250"
(6.4 mm)
0.047
0.054
0.062
0.130
0.115
0.100
Light
Med.
Heavy
1.75
1.75
2.75
A-J-K-03.8
5.8
7.5
0.9
2.4
3.2
0.5
0.8
1.2
-
-
-
-
-
-
0.312"
(7.9 mm)
0.062
0.072
0.080
0.175
0.153
0.130
Light
Medium
Heavy
2.25
2.5
2.25

A-B-C-J-
K-0
5
9.5
16
3.9
4.9
9.6
1.2
2.1
4.8
0.5
1
2.4


-
LIGHTSTIFFNESSISUNAVAILABLE
0.375" (9.55 mm)0.670.226Medium3831.30.5-
0.080.2Heavy2.5B-C-J-K22.563.82.4-
0.460"
(11.4 mm)
0.091
0.105
0.113
0.265
0.230
0.220
Light
Medium
Heavy
2.5
3
3.5
B-C-J-K-
H-I
32
44
48
10.5
20
24
5.1
11
12.6
2.3
5.9
8
 
0.585"
(14.9 mm)
0.120
0.135
0.148
0.320
0.380
0.255
Light
Medium
Heavy
3.75
4.5
4.75

B-C-D-E-
F-G-H-I-
J-M
52
64
144
23.5
31
52
13.4
17.5
31
7.5
11.6
18.8
 
0.650"
(16.5 mm)
0.156
0.170
0.170
0.335
0.285
0.285
Light
Medium
Heavy
6
8
6.5

L
92
192
224
45
64
88
30
52
56
16
32
37
-
4.8
8
LIGHTSTIFFNESSISUNAVAILABLE
0.750" (19.1 mm)0.1920.34Medium8.5N22488523616
0.1920.34Heavy7N27296594016
LIGHTSTIFFNESSISUNAVAILABLE
0.850" (21.6 mm)0.1920.44Medium7N17656322011.2
0.1920.44Heavy6N19272403216
ABCDEFGHIJKLMNO
5/16-32 MALE1/8-27 I.P.S MALE1/8-27 I.P.S FEMALE1/4-18 I.P.S MALE1/4-18 I.P.S FEMALE3/8-18 I.P.S MALE3/8-18 I.P.S FEMALE5/8-27 UNS MALE5/8-27 UNS FEMALE1/4-20 MALE1/4-20 FEMALE7/16-20 MALE5/8-27 UNS MALE WITH SIDE OUTLET9/16-18 MALE5/16-24 MALE

*UNIPRISE WILL ATTACH FERRULES SUPPLIED BY THE CUSTOMER, OR MAKE THEM TO YOUR PRINTS AND ATTACH THEM. WE CAN ALSO DESIGN FITTINGS FOR SPECIAL APPLICATIONS.