54 • ARMS Orderguide • rev. 05/30/03 870-03-005
Interface Dimensions
for Direct Mounting
Note: Surface construction varies. It is recommended that you consult the appropriate architectural,
engineering or construction personnel to ensure ARMS are properly mounted to handle the applied loads.
4.04"
(102.6 mm)
2.02"
(51.3 mm)
1.38"
(35.1 mm)
2.75"
(69.9 mm)
5"
(127.0mm)
2.75"
(69.9 mm)
Ø .19"
(4.8mm)
.282" x .282"
(7.2 x 7.2 mm)
400 SERIES
400 Series Horizontal Mount
Surface/Suspend Arm
Interface
5.074"
(128.9 mm)
1.375"
(34.9 mm)
6"
(152.4 mm)
3"
(76.2 mm)
1.81"
(46.0 mm)
2"
(50.8 mm)
1.125"
(28.6 mm)
Ø .203"
(5.2 mm)
Slotted
400 Series Vertical Mount
Rotate Arm Interface (includes
Combination Rotate Arm)
400 Series Vertical Mount
Fixed Arm Interface (includes
Combination Fixed Arm)
Ø .203"
(5.2 mm)
Slotted
2.375"
(60.3 mm)
5"
(127.0 mm)
2.05"
(52.1 mm)
1.125"
(28.6 mm)
4.1"
(104.1 mm)
.662"
(16.8 mm)
1.787"
(45.4 mm)
2.102"
(53.4 mm)
4.881"
(124.0 mm)
1.787"
(45.4 mm)
Ø.348"
(8.8 mm)
Ø.340"
(8.6 mm)
Ø.188"
(4.8 mm)
1.944"
(49.3 mm)
3.889"
(98.8 mm)
4.8"
(121.9 mm)
A
A
A
B
A: #10-24 UNC Tap .35 Deep,
Break Through Allowed
B #3/8-16 UNC Tap 1.0 Deep,
No Break Through Allowed
A
B
300/200 SERIES
300/200 Series Desk Clamp
and Grommet Mount
300/200 Series Vertical Mount
4.1"
(104 mm)
5-1/2"
(140 mm)
1.25"
(31.8 mm)
Ø.2"
(.5 mm)
2.7"
(69 mm)
1.13"
(28.6 mm)
1.87"
(47.6 mm)
Ø.758"
(19.3 mm)
2.38"
.42" Ø
(11 mm)
(60 mm)
.67"
(17 mm)
2.5"
(64 mm)
1.38"
(35 mm)
.5"
(13 mm)
HD SERIES
HD Series Vertical Mount
Hole Pattern