Cut Sheet

Beam Clamps
All dimensions in charts and on drawings are in inches. Dimensions shown in parentheses are in millimeters unless otherwise specified.
Beam Clamps
36
Pipe Hangers & Supports
Size Range:
3
/8"-16 thru
3
/4"-10 rod
Material: Steel
Function: Designed for attaching a hanger rod to the flange of a beam.
Approvals: Conforms to Federal Specification WW-H-171E &
A-A-1192A, Type 19 and Manufacturers Standardization Society
ANSI/MSS SP-69 & SP-58, Type 19.
Finish: Electro-Galvanized or Hot-Dip Galvanized
Ordering: Part number and finish. When retaining strap is required,
order B312 separately. See page 39.
Recommended Set Screw Torque:
1
/2”-13 = 350 in-lbs (39.5 N•m)
5
/8”-11 = 700 in-lbs (79.0 N•m)
Minimum Flange Thickness:
For B321-1 thru B321-3 =
3
/8(9.5)
For B321-4 & B321-5 =
5
/8(15.9)
Size Range:
1
/4"-20 thru
5
/8"-11 rod
Material: Steel
Function: Designed for attaching a hanger rod to the flange of a beam.
Approvals: Conforms to Federal Specification WW-H-171E & A-A-1192A,
Type 19 and Manufacturers Standardization Society ANSI/MSS SP-69 &
SP-58, Type 19.
Finish: Electro-Galvanized or Hot-Dip Galvanized
Order By: Part number and finish. When retaining strap is required, order
B312 separately. See page 39.
Recommended Set Screw Torque:
3
/8”-16 = 150 in-lbs (16.9 N•m)
1
/2”-13 = 350 in-lbs (39.5 N•m)
Part Rod Size Setscrew CTDesign Load Approx. Wt./100
No. A Size
in. (mm) in. (mm) Lbs. (kN) Lbs. (kg)
B303
1
/4”-20
3
/8”-16 2
5
/16" (58.7) 11 Ga. (3.0) 400 (1.78) 72 (32.6)
B304
5
/16-18
3
/8”-16 2
5
/16" (58.7) 11 Ga. (3.0) 600 (2.67) 72 (32.6)
B305
3
/8”-16
3
/8”-16 2
5
/16" (58.7) 11 Ga. (3.0) 600 (2.67) 72 (32.6)
B306
3
/8”-16
1
/2”-13 2
7
/16" (61.9) 7 Ga. (4.5) 1100 (4.89) 97 (44.0)
B307
1
/2”-13
1
/2”-13 2
7
/16" (61.9) 7 Ga. (4.5) 1100 (4.89) 97 (44.0)
B308
1
/2”-13
1
/2”-13 2
9
/16" (65.1)
1
/4" (6.3) 1500 (6.67) 133 (60.3)
B309
5
/8”-11
1
/2”-13 2
9
/16" (65.1)
1
/4" (6.3) 1500 (6.67) 133 (60.3)
B303-B309 - Beam Clamps
Fig. B321 - Series Beam Clamps
Part Rod Size Setscrew CTDesign Load Approx. Wt./100
No. A Size
in. (mm) in. (mm) Lbs. (kN) Lbs. (kg)
B321-1
3
/8”-16
1
/2”-13 3
9
/16" (92.1)
1
/4" (6.3) 1300 (5.78) 187 (84.8)
B321-2
1
/2”-13
1
/2”-13 3
9
/16" (92.1)
1
/4" (6.3) 1400 (6.23) 186 (84.3)
B321-3
5
/8”-11
1
/2”-13 3
9
/16" (92.1)
1
/4" (6.3) 1600 (7.12) 185 (83.9)
B321-4
5
/8”-11
5
/8”-11 3
23
/32" (94.4)
5
/16" (7.9) 1800 (8.00) 239 (108.4)
B321-5
3
/4”-10
5
/8”-11 3
23
/32" (94.4)
5
/16" (7.9) 2000 (8.89) 238 (107.9)
Set Screw
Included
C
T
A
1
11
/16" (42.8)
Maximum
Flange
Thickness
1
5
/8"
(41.3)
3
1
/4"
(82.5)
C
T
A
7
/8" (22.2)
Maximum
Flange
Thickness
1
1
/8"
(28.6)
2
1
/2"
(63.5)
Set Screw
Included

Summary of content (8 pages)