Installation Typicals - Fastening on Steel Threaded Studs
APPLICATION OVERVIEW HOW TO USE THIS DOCUMENT DISCLAIMER
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Result:
L1 [inch]
F [lbs]
100 150 200 300 400 500 600 700
x
[inch]
4.0
46.00 29.75 21.75 13.50 9.50 7. 00 5.50 4.25
6.0
61.25 39.75 29.00 18.00 12.75 9.50 7. 25 5.75
8.0
76.50 49.75 36.25 22.75 16.00 12.00 9.25 7. 25
14.0
92.00 59.50 43.50 27.25 19.25 14.25 11.00 8.75
20.0
107.25 69.50 50.75 31.75 22.25 16.75 13.00 10.25
32.0
122.75 79.50 58.00 36.25 25.50 19.00 14.75 11.75
Result:
Load
F [lbs]
L1 [inch]
6.0 12.0 18.0 24.0 30.0 36.0 42.0 48.0
x
[inch]
4.0
570 334 237 183 149 126 109 96
6.0
692 422 303 237 194 164 143 126
8.0
794 500 365 287 237 201 175 155
14.0
881 570 422 334 277 237 206 183
20.0
955 634 475 379 316 271 237 210
32.0
1,019 692 524 422 353 303 266 237
Result:
Load
F [lbs]
L1 [inch]
6.0 12.0 18.0 24.0 30.0 36.0 42.0 48.0
x
[inch]
4.0
285 167 118 91 75 63 54 48
6.0
346 211 151 118 97 82 71 63
8.0
397 250 182 143 118 101 88 77
14.0
440 285 211 167 138 118 103 91
20.0
477 317 237 190 158 135 118 105
32.0
510 346 262 211 176 151 133 118
Result:
L1 [inch]
F [lbs]
100 150 200 300 400 500 600 700
x
[inch]
4.0
21.75 13.75 9.75 5.50 3.50 2.25 1.50 1.00
6.0
29.00 18.25 12.75 7. 50 4.75 3.00 2.00 1.25
8.0
36.25 22.75 16.00 9.25 6.00 4.00 2.50 1.50
14.0
43.50 27.2 5 19.25 11. 25 7.0 0 4.75 3.00 2.00
20.0
50.75 32.00 22.50 13.00 8.25 5.50 3.50 2.25
32.0
58.00 36.50 25.75 15.00 9.50 6.25 4.00 2.50
FASTENER OVERVIEW
4 studs
2 studs
1 stud
x
x
2 studs
FASTENER TECHNICAL DETAILS
FASTENER SYSTEM
Result:
L1 [inch]
F [lbs]
100 150 200 300 400 500 600 700
x
[inch]
4.0
25.00 17.50 13.50 9.75 8.00 6.75 6.00 5.50
6.0
37. 50 26.25 20.50 14.75 12.00 10.25 9.00 8.25
8.0
50.25 35.00 27.25 19.75 16.00 13.50 12.00 11.00
14.0
87.75 61.25 48.00 34.50 28.00 24.00 21.25 19.25
20.0
125.50 87.5 0 68.50 49.50 40.00 34.25 30.50 27.75
32.0
201.00 140.00 109.75 79.25 64.00 54.75 48.75 44.50
Result:
Load
F [lbs]
L1 [inch]
6.0 12.0 18.0 24.0 30.0 36.0 42.0 48.0
x
[inch]
4.0
659 330 220 165
6.0
989 494 330 247 198 165
8.0
659 439 330 264 220 188 165
14.0
769 577 461 384 330 288
20.0
824 659 549 471 412
32.0
879 753 659
Result:
Load
F [lbs]
L1 [inch]
6.0 12.0 18.0 24.0 30.0 36.0 42.0 48.0
x
[inch]
4.0
330 165 110 82
6.0
494 247 165 123
8.0
330 220 165
14.0
384 288
20.0
412
32.0
Result:
L1 [inch]
F [lbs]
100 150 200 300 400 500 600 700
x
[inch]
4.0
13.50 9.75 8.00 6.00 4.75
6.0
20.50 14.75 12.00 9.00 7.25
8.0
27. 25 19.75 16.00 12.00 9.75
14.0
48.00 34.50 28.00 21.25 17. 25
20.0
68.50 49.50 40.00 30.50 24.50
32.0
109.75 79.25 64.00 48.75 39.50
Application
• Fastening of cable trays, pipes on a horizontal, braced cantilever support,
fastened on a vertical structure
• Support is fastened by three / six X-BT-MF on both support and brace
baseplate with distance x
• L1 is the distance of the load center to the vertical structure surface, the angle
of the brace is 45°
• Load F is the acceptable total load (all dead load including)
Boundary conditions
• These values are ONLY reflecting capacity of X-BT-MF threaded stud.
Structural analysis of support / structure is NOT in Hilti scope. See the detailed
statements in disclaimer — 2018/05/04
• Shear load fully carried by one / two top X-BT-MF (worst-case)
• Load F acting at the distance of L1 from structure surface
NOTE: load capacity used for calculation N
rec
= 340 lb (axial) / V
rec
= 500 lb (shear)
Technical assessment — maximum of F (depending on load F or lever arm length L1 and baseplate distance x)
FASTENING BRACED CANTILEVER SUPPORT
WITH X-BT-MF
Two / Four X-BT-MF Threaded studs
X-BT-MF • Imperial
100Issued August 2018, expiry January 2022