CYLINDRICAL MOUNTS
to 79 lbs.
www.vibrationmounts.com • Phone: 516.328.3662 • FAX: 516.328.3365
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V100 page 1-9  

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FASTENER:
Steel, Zinc Plated
ISOLATOR:
Natural Rubber
FOR COMPRESSION LOADS OF:
33 to 79 Pounds (15 to 35.8 kgf)
FOR SHEAR LOADS OF:
18 to 40 Pounds (8.2 to 18.1 kgf)

NOTE: Dimensions in ( ) are in mm.
CAD Catalog
Number
Thread Thread
Length
Max.
Load
lb. (kgf)
Forcing Frequency in Cycles per Minute
850 1100 1250 1500 1750 2000 2250 2500 3000 3600
Minimum Load for 81% Isolation lb. (kgf)
Compression
V10Z 2-300A 1/4-20 NC 1/2 (12.7) 33
(15)
- - - 29.0
(13.2)
21.0
(9.5)
16.0
(7.3)
12.5
(5.7)
10.5
(4.8)
7.0
(3.2)
5.0
(2.3)
V10Z 2-317A 5/16-18 NC 9/16 (14.3)
V10Z 2-300B 1/4-20 NC 1/2 (12.7) 40
(18.1)
- - - 39.5
(18)
28.5
(12.9)
21.5
(9.8)
17.0
(7.7)
14.0
(6.4)
9.5
(4.3)
7.0
(3.2)
V10Z 2-317B 5/16-18 NC 9/16 (14.3)
V10Z 2-300C 1/4-20 NC 1/2 (12.7) 60
(27.2)
- - - - 49.0
(22.2)
37.0
(16.8)
29.5
(13.4)
24.0
(10.9)
17.0
(7.7)
11.5
(5.2)
V10Z 2-317C 5/16-18 NC 9/16 (14.3)
V10Z 2-300D 1/4-20 NC 1/2 (12.7) 79
(35.8)
- - - - 72.5
(32.9)
55.0
(24.9)
43.5
(19.7)
36.0
(16.3)
24.5
(11.1)
17.0
(7.7)
V10Z 2-317D 5/16-18 NC 9/16 (14.3)
Shear
buttton V10Z 2-300A 1/4-20 NC 1/2 (12.7) 18
(8.2)
16.0
(7.3)
9.3
(4.2)
7.2
(3.3)
5.0
(2.3)
3.8
(1.7)
2.8
(1.3)
2.3
(1)
1.8
(0.8)
1.2
(0.5)
*
V10Z 2-317A 5/16-18 NC 9/16 (14.3)
button V10Z 2-300B 1/4-20 NC 1/2 (12.7) 21
(9.5)
- 13.0
(5.9)
10.2
(4.6)
7.0
(3.2)
5.3
(2.4)
4.0
(1.8)
3.2
(1.5)
2.6
(1.2)
1.8
(0.8)
*
V10Z 2-317B 5/16-18 NC 9/16 (14.3)
button V10Z 2-300C 1/4-20 NC 1/2 (12.7) 34
(15.4)
- 24.5
(11.1)
20.0
(9.1)
14.7
(6.7)
11.2
(5.1)
9.0
(4.1)
7.5
(3.4)
6.2
(2.8)
4.5
(2)
11.5
(1.6)
V10Z 2-317C 5/16-18 NC 9/16 (14.3)
button V10Z 2-300D 1/4-20 NC 1/2 (12.7) 40
(18.1)
- 32.0
(14.5)
26.0
(11.8)
19.0
(8.6)
14.8
(6.7)
12.0
(5.4)
10.0
(4.5)
8.3
(3.8)
6.0
(2.7)
17.0
(2.3)
V10Z 2-317D 5/16-18 NC 9/16 (14.3)
*At these forcing frequencies, lesser loads will yield less than 81% isolation.
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LOAD DEFLECTION GRAPHS:
Deflections below the line x–x are considered safe practice for static loads; 
data above that line are useful for calculating deflections under dynamic loads.

NOTE:
Maximum unthreaded portion of stud does not exceed 1/16" (1.59 mm).