Product Overview

This section offers a full selection of fittings and
accessories to complete Cooper B-Line’s metal
framing system. Fittings are made from hot
rolled, pickled and oiled plate or strip steel in
accordance with ASTM A1018 33,000 PSI min.
yield, unless noted.
Dimensions
The following dimensions apply to all fittings
except as noted:
Materials & Finishes (Unless otherwise noted)
Note: A minimum order may apply on special
material and finishes.
Load Data
The load data published includes safety factor of 2.5 when used with 12 ga. (2.6) channel
(safety factor = ratio of ultimate load to the design load).
Use
1
/2”-13 x
7
/8” hex head cap screws and
1
/2”-13 (N225 or TN225) channel nuts for the rated results.
Recommended Bolt Torque
See chart on page 112 for setscrew torque.
Hardware
Nuts and bolts are not included with the fittings and must be ordered separately
, unless noted.
Pre-Assembled Fittings
Some fittings are available with hex head cap screws and channel nuts pre-assembled.
These fittings and finishes will be flagged using the following symbol.
Metric
Metric dimensions are shown in parentheses.
Unless noted, all metric dimensions are in millimeters.
Bolt Size
1
/4”-20
5
/16”-18
3
/8”-16
1
/2”-13
Foot/Lbs.
6 11 19 50
Nm 8 15 26 68
Finish
Code Finish Specification
PLN Plain ASTM A1018
33,000 PSI min. yield
ZN Electro-Plated Zinc ASTM B633 SC3 Type III
or ASTM A653
GRN Dura-Green
HDG Hot-Dipped Galvanized ASTM A123
SS4 Stainless Steel Type 304 ASTM A240
SS6 Stainless Steel Type 316 ASTM A240
AL Aluminum ASTM B209
Hole Size –
9
/16”
(14.3 mm) diameter
Thickness –
1
/4” (6.3 mm)
Width –
1
5
/8” (41.3 mm)
Strut Fittings
Fittings
72
Hole Spacing – 1
7
/8”
(47.6 mm) on center
Hole Spacing –
13
/16” (20.6 mm)
from end
PA
ZN
GRN