3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450
3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450 3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450

3 Layer Spring Threaded Tube Insert Nut For Round Tube-3C-450

Material : Steel
Type : Interior Connecting with 3 round Springs
Size : for 3/4" - 3" diameter Round Tube,
Please see below spec. for more available sizes.
Finish : Blackoxide

3-Tier
Tube O.D..
Tube Inner Diameter
3C-155
3/4”
0.626” - 0.642”
15.9 -16.3mm
3C-170
3/4”
0.620” - 0.672”
15.7 - 17.1mm
3C-185
7/8”
0.706“ - 0.758”
17.9 -19.3mm
3C-200
7/8”
0.745” - 0.797”
18.9 - 20.2mm
3C-210
1”
0.756” - 0.842”
19.2 - 21.4mm
3C-220
1”
0.842” - 0.881”
21.4 - 22.4mm
3C-230
1”
0.870” - 0.922”
22.1 - 23.4mm
3C-250
1-1/8”
0.967” - 1.006”
24.6 - 25.6mm
3C-260
1-1/8”
0.995” - 1.047”
25.3 - 26.6mm
3C-295
1-1/4”
1.120” - 1.172”
28.4 - 29.8mm
3C-320
1-3/8”
1.249” - 1.296”
31.7 - 32.9mm
3C-360
1-1/2”
1.370” - 1.422”
34.8 - 36.1mm
3C-380
1-5/8”
1.468” - 1.547”
37.3 - 39.3mm
3C-420
1-3/4”
1.631” - 1.671”
41.4 - 42.4mm
3C-450
1-7/8”
1.720” - 1.799”
43.7 - 45.7mm
3C-480
2”
1.870” - 1.922”
47.5 - 48.8mm
3C-545
2-1/4”
2.086” - 2.165”
53.0 - 55.0mm
3C-610
2-1/2”
2.342” - 2.421”
59.5 - 61.5mm
3C-625
65mm
2.401” - 0.248”
61.0 - 63.0mm
3C-735
3”
2.842" - 2.921”
72.2 - 74.2mm
(1) For 3/4” tube can be done by 1/4-20 / 5/16-18 / M6 / M8 thread.
(2) The sizes are equal or bigger than 7/8” tube can be done by 1/4-20 /
      5/16-18 / 3/8-16 / M6 / M8 / M10 thread.
(3) Finish : Blackoxide. 
In the range of 5/8” - 3” tube, we still have many different size to match your tubes. 
Please feel free to contact us if you need them.

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