Single Arm Tangent Crossarm Assemblies

The following tables are intended to assist in ordering a variety of Tangent Crossarm Assemblies utilizing many common crossarm sizes and hardware components. BROOKS is not limited by the sizes or styles noted. For additional information regarding designs, strengths, applications, etc., or for assistance in ordering Crossarm Assemblies not addressed in this format, please contact BROOKS' Engineering Department.

product-diagrams/transmission/crossarm_single_arm_tangent.gif

A. Pole Spacing (Feet and Inches)
B. 1/2" Split Bolt
C. Mounting Hole Sizes from Table 3
D. Arm Size from Table 1
E. Eye Bolt and Saddle Assemblies from Table 2
F. Phase Spacing (Feet and Inches)

Table 1
Common Sizes for Solid Sawn and/or Laminated Crossarms

Table 2
Eye Bolt and Saddle Assemblies

Solid Sawn Code	Size
A	2-5/8" x 9-1/2"
B	3-5/8" x 7-1/2"
C	3-5/8" x 8-1/2"
D	3-5/8" x 9-1/2"
E	3-5/8" x 11-1/2"
F	5-1/2" x 7-1/2"
G	5-5/8" x 7-1/2"

Laminated Code	Size
J	2-5/8" X 9-1/2"
K	3-1/8" x 7-1/2"
L	3-1/8" x 9"
N	3-5/8" x 7-1/2"
O	3-5/8" x 8-1/2"
P	3-5/8" x 9-1/2"
Q	3-5/8" x 11-1/2"
R	5-1/8" x 7-1/2"
S	5-1/8" x 9"
T	5-1/8" x 10-1/2"
U	5-1/2" x 7-1/2"
V	5-5/8" x 7-1/2"
W	6-3/4" x 7-1/2"
X	5-3/4" x 7-3/4"
Y	6" x 8"

Table 2
Eye Bolt and Saddle Assemblies

Table 3
Mounting Bolt Size

Code	Bolt
5	5/8"
6	3/4"
7	7/8"

Code	Bolt	Hole
6	3/4"	13/16"
7	7/8"	15/16"
8	1"	1-1/16"

Single Arm Ordering Code

S	X	-	X	X	-	XXX	-	XXX	*
"S" (Single Arm Assembly)	Crossarm Size (Table 1)		Diameter of Eye Bolt (Table 2)	Pole Mounting Bolt Hole Diameter (Table 3)		Pole Spacing (Feet and Inches)		Phase Spacing (Feet and Inches)

Example

SB-67-126-126

Single Crossarm Assembly
3-5/8" x 7-1/2" x 26'-0" Solid Sawn Crossarms
Drilled for 7/8" Arm Mounting Bolts
12'-6" C/C Pole Spacing
12'-6" Phase Spacing
Assembled with (3) 3/4" Eye Bolt and Saddle Assemblies
Drilled for 7/8" Arm Mounting Bolts

Pole mounting hardware is not furnished standard as part of the assembly and should be ordered separately.
* To purchase a single arm, bored but less the assembly hardware, add a "W" to the assembly number Ordering Code.