Submittal Sheet
Reference page 45 for general fitting and standard finish specifications.
*Note: Add stud length in inches (
3
/4, 1, 1
1
/4, 1
1
/2)
Twirl Stud Nut
Part No. Thread Size Fits Channel Sizes Nut Thickness Wt./C
In. mm Lbs. kg
TN221 #8-32 All sizes except B62 & B72
1
/
4
”
(6.3)
7.0
(3.17)
TN227 #10-32 All sizes except B62 & B72
1
/
4
”
(6.3)
7.0
(3.17)
TN222 #10-24 All sizes except B62 & B72
1
/
4
”
(6.3)
7.0
(3.17)
TN224
1
/
4
-20 All sizes except B62 & B72
1
/
4
”
(6.3)
6.7
(3.04)
TN223
5
/
16
-18 All sizes except B62 & B72
1
/
4
”
(6.3)
6.7
(3.04)
TN228
3
/
8
-16 All sizes except B62 & B72
3
/
8
”
(9.5)
9.3
(4.22)
TN226
7
/
16
-14 All sizes except B62 & B72
3
/
8
”
(9.5)
8.8
(3.99)
TN225
1
/
2
-13 B11, B12, B22, B24, B26, B32
1
/
2
”
(12.7)
11.6
(5.26)
TN525
1
/
2
-13 B42, B52, B54, B56
3
/
8
”
(9.5)
8.8
(3.99)
TN255
5
/
8
-11 B11, B12, B22, B24, B26, B32
1
/
2
”
(12.7)
11.0
(4.99)
BMT-6 M6 x 1 All sizes except B62 & B72
1
/
4
”
(6.3)
6.9
(3.13)
BMT-8 M8 x 1.25 All sizes except B62 & B72
1
/
4
”
(6.3)
6.7
(3.04)
BMT-10 M10 x 1.5 All sizes except B62 & B72
3
/
8
”
(9.5)
9.6
(4.35)
BMT-12 M12 x 1.75 All sizes except B62 & B72
3
/
8
”
(9.5)
9.2
(4.17)
BMT-D-12 M12 x 1.75 B11, B12, B22, B24, B26, B32
1
/
2
”
(12.7)
12.2
(5.53)
Metric
Threads
Twirl-Nut
™
Channel Nuts & Hardware
Note: See page 51 for resistance to
slip & page 52 for pull-out strength.
Note: See page 51 for resistance to
slip & page 52 for pull-out strength.
*Note: Add stud length in inches (
3
/4, 1, 1
1
/4, 1
1
/2)
Stud Nut Without Spring
Note: See page 51 for resistance to
slip& page 52 for pull-out strength.
Channel Nuts
Strut Systems
49
Part No. Thread Size Fits Channel Sizes Nut Thickness Wt./C
In. mm Lbs. kg
STN224-*
1
/
4
-20 All sizes except B62 & B72
1
/
4
”
(6.3)
8.1
(3.66)
STN228-*
3
/
8
-16 All sizes except B62 & B72
3
/
8
”
(9.5)
12.9
(5.85)
STN225-*
1
/
2
-13 B11, B12, B22, B24, B26, B32
1
/
2
”
(12.7)
18.2
(8.23)
STN525-*
1
/
2
-13 B42, B52, B54, B56
3
/
8
”
(9.5)
15.4
(6.96)
Part No. Thread Size Fits Channel Sizes Nut Thickness Wt./C
In. mm Lbs. kg
SN224-*WO
1
/
4
-20 All sizes except B62 & B72
1
/
4
”
(6.3)
8.1
(3.66)
SN228-*WO
3
/
8
-16 All sizes except B62 & B72
3
/
8
”
(9.5)
12.9
(5.85)
SN225-*WO
1
/
2
-13 B11, B12, B22, B24, B26, B32
1
/
2
”
(12.7)
18.2
(8.23)
SN525-*WO
1
/
2
-13 B42, B52, B54, B56
3
/
8
”
(9.5)
15.4
(6.96)