Product Overview

METRIC CHANNEL NUTS
Numbering Example: BMS 6 M
Nut Metric Suffix
Type Thread Size
BMS = Spring Nut 3 = M3.5 S = Short Spring
BMS-D = Spring Nut (
1
/2” thick) 4 = M4 M = Medium Spring
BMT = Twirl Nut 5 = M5 L = Long Spring
BMT-D = Twirl Nut (
1
/2” thick) 6 = M6 * = Twirl Nuts and nuts
BMM = Spring Nut (Mini channel) 8 = M8 without springs have
10 = M10 blank suffix
12 = M12
Reference page 44 for general fitting and standard finish specifications.
ST
ANDARD CHANNEL NUTS
Numbering Example: N 7 25 (*) WO
Nut Type Channel Type Thread Size Stud Length Suffix
N = Standard Nut 7 = Tall Channels 21 = #8-32 * = Specify Length WO = Without Spring
TN = Twirl Nut B11 22 = #10-24 of stud below ** = Twirl Nuts or nuts
SN = Stud Nut B12 27 = #10-32 for Stud Nut or with springs have
STN = Stud Twirl Nut 2 = Medium Channels 24 =
1
/
4
-20 Twirl Stud Nuts blank suffix
NW = Combo Nut B22 23 =
5
/
16
-18
3
/
4
=
3
/
4
”
Washer B24 28 =
3
/
8
-16 1 = 1”
B26 26 =
7
/
16
-14 1
1
/
4
= 1
1
/
4
”
B32 25 =
1
/
2
-13 1
1
/
2
= 1
1
/
2
”
5 = Short Channels 55 =
5
/
8
-11
B42 75 =
5
/
8
-11
B52
78 =
7
/
8
-9
B54
B56
SPRING NUT
TWIRL-NUT
™
COMBO NUT WASHER
NUT WITHOUT SPRING
STUD NUT WITH SPRING
STUD NUT WITHOUT SPRING TWIRL STUD NUT
Channel Nuts & Hardware
Channel Nuts & Hardware
45