Specifying Beamclamp

Specifying the Correct BeamClamp® Product

It is important to select the correct Product Type, tail length, and packing shim requirement to suit your application. Unless using an adjustable tail Type BK1 the combined tail length plus the thickness of the shim(s) must be equal to the thickness of steel being clamped. The following tables are designed to assist you in selecting the appropriate combination.

The following steps will help in using these tables correctly:

  1. Select the type of clamp you wish to use: BA, BB, BT, BW, BK1 or BY.
  2. Select the bolt size you wish to use. The load capacity for each product is stated on the individual product pages. LNA Solutions recommends that SAE Grade 5 Bolts are used.
  3. When connecting to wide flange beams or parallel flanges, refer to steel guides to find the flange thickness.
  4. Using the Tables 1, 2, or 3, select the appropriate tail length and packing.

Notes:

A plus sign (+) between any of the above designations means that there is a packing required in addition to the clamp. Combinations of BH1, BF1, BG1, BF2, BG2, BH2, BF3 and BF4 packings are used.

Where ˝2 x˝ or ˝3 x˝ is indicated, use 2 or 3 as the multiplier to get the number of packings needed to suit the given flange thickness.

Key

  • 1 = Short Tail Type BA, BB, BT, BW or BY
  • 2 = Medium Tail BA, BB, BT, BW or BY
  • 3 = Long Tail BA or BB
  • BF1 = Type BF1 packing must be used
  • BG1 = Type BG1 packing must be used
  • BH1 = Type BH1 packing must be used
  • BF2 = Type BF2 packing must be used
  • BG2 = Type BG2 packing must be used
  • BH2 = Type BH2 packing must be used
  • BF3 = Type BF3 packing must be used
  • BF4 = Type BF4 packing must be used
  • OK = Product is suitable without any additional packings
  • X = Not recommended

Table #1 - To Suit Wide Flange Beams

Flange
Thickness		 5/16˝ Bolt dia 3/8˝ Bolt dia 1/2˝ Bolt dia
  BA & BB BK1 BA & BB BK1 BA & BB BK1 By
1 ⁄8  X OK X OK X OK X
3 ⁄16 2 OK 2 OK 1 OK 1
1 ⁄4 2 + BH1 OK 1 + BH1 OK 2 OK 1
5 ⁄16 2 + BF1 OK 3 OK 2 + BH1 OK 1 + BH2
3 ⁄8  2 + BH1 + BF1 OK 1 + BF1 OK 3 OK 1 + BF3
7⁄16 2 + BH1 + BF1 OK 3 + [2 x BH1] OK 2 + [2 x BH1] OK 1 + BF3
1 ⁄2  2 + BG1 + BF2 3 + [3 x BH1] OK 1 + BH1 + BF1 OK 2
9 ⁄16 2 + BH1 + BG1 + BF2 1 + BG1 OK 3 + [2 x BH1] OK 2 + BH2
5 ⁄ 8 2 + BF1 + BG1 + BF2 1 + BH1 + BG1 + BF2 3 + BF1 OK 1 + BF4
11 ⁄16 2 + BH1 + BF1 + BG1 + BG2 3 + BG1 + BF2 2 + [2 x BH1] + BF1 OK 2 + BF3
3 ⁄4 2 + BH1 + BF1 + BG1 + BG2 1 + BF1 + BG1 + BF2 1 + BH1 + BG1 + BF2 2 + BF3
13 ⁄16 2 + [2 x BG1] + BF2 + BG2 2 + BF1 + BG1 + BG2 2 + BH1 + BG1 + BF2 2 + BH2 + BF3
7⁄ 8 2 + BH1 + [2 x BG1] + BF2 + BG2 3 + BF1 + BG1 + BG2 1 + BF1 + BG1 + BF2 2 + BF4
15 ⁄16 2 + BF1 + [2 x BG1] + BF2 + BG2 1 + [2 x BG1] + BG2 2 + BF1 + BG1 + BF2 2 + BH2 +BF4
1 2 + BF1 + [2 x BG1] + [2 x BG2] 2 + [2 x BG1] + BG2 1 + BH1 + BG1 + BF1 + BG2 1 + [2 x BF4]
1-1 ⁄16 2 + BH1 + BF1 + [2 x BG1] + [2 x BG2] 3 + [2 x BG1] + BF2 + BG2 2 + BH1 + BG1 + BF1 + BG2 1 + BH2 + [2 x BF4]
1-1 ⁄ 8 2 + [3 x BG1] + BF2 + [2 x BG2] 1 + BF1 + [2 x BG1] + BF2 + BG2 1 + [2 x BG1] + BG2 2 + [3 x BH2] + BF4
1-3 ⁄16 2 + BH1 + [3 x BG1] + BF2 + [2 x BG2] 2 + BF1 + [2 x BG1] + BF2 + BG2 2 + [2 x BG1] + BG2 1 + BF3 + [2 x BF4]
1-1 ⁄4 X X X X 1 + BH1 + [2 x BG1] + BF2 + BG2 1 + BH3 + BF3 + [2 x BF4]
1-5 ⁄16 X X X X 3 + [2 x BG1] + BF2 + BG2 2 + [2 x BF4]
1-3 ⁄ 8 X X X X 1 + BF1 + [2 x BG1] + BF2 + BG2 1 + [3 x BF4]
1-7⁄16 X X X X 2 + BF1 + [2 x BG1] + [2 x BG2] 2 + [2 x BH2] + [2 x BF4]
1-1 ⁄ 2 X X X X X + [2 x BG2] 2 + BF3 + [2 x BF4]
Flange
Thickness		 5/8˝ Bolt dia 3/4˝ Bolt dia 1˝ Bolt dia
  BA & BB BK1 By BA & BB BK1 By BA & BB BK1
1 ⁄8  X OK X X OK X X OK
3 ⁄16 X OK X X OK X X OK
1 ⁄4 1 OK X 1 OK X X OK
5 ⁄16 2 OK 1 1 OK X 1 OK
3 ⁄8  1 + BH1 OK 1 + BH2 2 OK 1 1 OK
7⁄16 3 OK 1 + BH2 1 + BH1 OK 1 2 OK
1 ⁄2  1 + [2 x BH1] OK 1 + BF3 3 OK 1 + BH2 2 OK
9 ⁄16 3 + BH1 OK 2 2 + BH1 OK 1 + [2 x BH2] 1 + BH1 OK
5 ⁄ 8 2 + BF1 OK 2 3 + BH1 OK 1 + BF3 3 OK
11 ⁄16 3 + [2 X BH1] OK 2 + BH2 1 + BF1 OK 2 1 + [2 x BH1] OK
3 ⁄4 3 + BF1 OK 2 + [2 x BH2] 1 + [3 x BH1] OK 2 3 + BH1 OK
13 ⁄16 3 + [3 X BH1] OK 2 + BF3 2 + BF1 OK 2 + BH2 3 + BH1 OK
7⁄ 8 2 + [2 x BH1] + BF1 OK 2 + BH2 + BF3 2 + [3 x BH1] OK 2 + [2 x BH2] 1 + BF1 OK
15 ⁄16 2 + BG1 OK 2 + [2 x BH2] + BF3 2 + BH1 + BF1 OK 2 + BF3 2 + BF1 OK
1 3 + [2 x BH1] + BF1 + BF2 2 + BF4 1 + [2 x BH1] + BF1 OK 2 + BH2 +BF3 1 + BH1 + BF1 OK
1-1 ⁄16 3 + BG1 + BF2 2 + BH2 + BF4 1 + BG1 OK 2 + 2BH2 + BF3 3 + BF1 OK
1-1 ⁄ 8 1 + [2 x BH1] + BG1 + BF2 1 + [2 x BF4] 2 + [2 x BH1] + BF1 OK 2 + BF4 3 + BF1 OK
1-3 ⁄16 3 + BH1 + BG1 + BF2 2 + BF3 + BF4 2 + BG1 OK 2 + BH2 + BF4 1 + [2 x BH1] + BF1 OK
1-1 ⁄4 2 + BF1 + BG1 + BF2 2 + BH2 + BF3 + BF4 1 + BH1 + BG1 + BF2 2 + [2 x BH2] + BF4 3 + BH1 + BF1 OK
1-5 ⁄16 2 + BF1 + BG1 + BG2 1 + BF3 + [2 x BF4] 2 + BH1 + BG1 + BF2 2 + BF3 + BF4 1 + BG1 OK
1-3 ⁄ 8 3 + BF1 + BG1 + BG2 2 + [2 x BF4] 2 + BH1 + BG1 + BF2 2 + BH2 + BF3 + BF4 1 + BG1 OK
1-7⁄16 3 + BF1 + BG1 + BG2 2 + [2 x BH2] + [2 x BF4] 3 + BH1 + BG1 + BF2 2 + [2 x BH2] + BF3 + BF4 2 + BG1 + BF2
1-1 ⁄ 2 3 + BH1 + BF1 + BG1 + BG2 1 + [3 x BF4] 2 + [2 x BH1] + BG1 + BF2 2 + [2 x BF4] 1 + BH1 + BG1 + BF2

Table #2 To Suit S-Beams

S-beam size 1/2˝ Bolt dia
BT & BW		 3/4˝ Bolt dia
BT & BW		 1/2˝ Bolt dia
By		 5/8˝ Bolt dia
By		 3/4˝ Bolt dia
By
S24 x 121 1 + BH1 + BG1 1 + [3 x BH1] 2 + BH2 + BF3 2 + BF3 2 + BH2
S24 x 106 1 + BH1 + BG1 1 + [3 x BH1] 2 + BH2 + BF3 2 + BF3 2 + BH2
           
S24 x 100 2 + BH1 + BF1 1 + [2 x BH1] 2 + BH2 2 1 + BF3
S24 x 90 2 + BH1 + BF1 1 + [2 x BH1] 2 + BH2 2 1 + BF3
S24 x 80 2 + BH1 + BF1 1 + [2 x BH1] 2 + BH2 2 1 + BF3
           
S20 x 96 1 + BG1 1 + [2 x BH1] 1 + BF4 2 1 + BF3
S20 x 86 1 + BG1 1 + [2 x BH1] 1 + BF4 2 1 + BF3
           
S20 x 75 2 + [3 x BH1] 2 + BH1 2 + BH2 1 + BF3 2 + [2 x BH2]
S20 x 66 2 + [3 x BH1] 2 + BH1 2 + BH2 1 + BF3 2 + [2 x BH2]
           
S18 x 70 2 + [2 x BH1] 1 + BH1 1 + BF3 1 + BH2 1
S18 x 54.7 2 + [2 x BH1] 1 + BH1 2 1 + [2 x BH2] 1 + BH2
           
S15 x 50 1 + BF1 2 1 +BF3 1 + BH2 1
S15 x 42.9 1 + BF1 2 1 +BF3 1 + BH2 1
           
S12 x 50 2 + [2 x BH1] 2 1 + [3 x BH2] 1 + BH2 1
S12 x 40.8 2 + [2 x BH1] 2 1 + [3 x BH2] 1 + [2 x BH2] 1 + BH2
S12 x 35 2 + BH1 1 1 + [2 x BH2] 1 1
S12 x 31.8 2 + BH1 1 1 + [2 x BH2] 1 1
           
S10 x 35 1 + BH1 1 1 +BH2 1 X
S10 x 25.4 1 + BH1 1 1 +BH2 1 X
           
S8 x 23 2 1 1 +BH2 1 X
S8 x 18.4 2 1 1 +BH2 1 X
           
S7 x 20 2 1 1 +BH2 X X
S7 x 15.3 2 1 1 +BH2 X X
           
S6 x 17.25 1 X 1 X X
S6 x 12.5 2 X 1 X X
           
S5 x 14.75 1 X 1 X X
S5 x 10 1 X 1 X X
           
S4 x 9.5 1 X 1 X X
S4 x 7.7 1 X 1 X X
           
S3 x 7.5 1 X 1 X X
S3 x 7.5 1 X 1 X X

Table #3 To Suit C-Channels

Channel 1/2˝ Bolt dia 3/4˝ Bolt dia 1/2˝ Bolt dia 5/8˝ Bolt dia
Size BT & BW BT & BW By By
C15 x 50 1 + [2 x BH1] 2 1 + BF3 1 + BH2
C15 x 40 1 + [2 x BH1] 2 1 + BF3 1 + BH2
C15 x 33.9 1 + [2 x BH1] 2 1 + BF3 1 + BF3
         
C12 x 30 2 1 1 + BH2 1
C12 x 25 2 1 1 + BH2 1
C12 x 20.7 2 1 1 + BH2 1
         
C10 x 30 2 1 1 X
C10 x 25 2 1 1 X
C10 x 20 2 1 1 X
C10 x 15.3 2 1 1 X
         
C9 x 20 2 1 1 X
C9 x 15 2 1 1 X
C9 x 13.4 2 1 1 X
         
C8 x 18.75 2 1 1 X
C8 x 13.75 2 1 1 X
C8 x 11.5 2 1 1 X
         
C7 x 14.75 1 X 1 X
C7 x 12.25 1 X 1 X
C7 x 9.8 1 X 1 X
         
C6 x 13 1 X 1 X
C6 x 10.5 1 X 1 X
C6 x 8.2 1 X 1 X
         
C5 x 9 1 X 1 X
C5 x 6.7 1 X 1 X
         
C4 x 7.25 1 X 1 X
C4 x 5.4 1 X 1 X
         
C3 x 6 1 X 1 X
C3 x 5 1 X 1 X