Installation Typicals - Fastening on Steel Threaded Studs
FASTENER OVERVIEW
x
x
2 studs
4 studs
APPLICATION OVERVIEW HOW TO USE THIS DOCUMENT DISCLAIMER
DOWNLOAD DRAWINGS (PDF) DOWNLOAD DRAWINGS (DWG)
FASTENER TECHNICAL DETAILS
FASTENER SYSTEM
Result:
L1 [inch]
F [lbs]
100 150 200 300 400 500 600 700
x
[inch]
3.0
18.00 11. 25 8.00 4.50 3.00 2.00 1.25 0.75
4.0
24.00 15.25 10.75 6.25 4.00 2.50 1.75 1.00
5.0
30.25 19.00 13.25 7.75 5.00 3.25 2.00 1.25
6.0
36.25 22.75 16.00 9.25 6.00 4.00 2.50 1.50
7.0
42.25 26.50 18.75 10.75 7. 00 4.50 3.00 1.75
8.0
48.25 30.50 21.50 12.50 8.00 5.25 3.50 2.25
Result:
Load
F [lbs]
L1 [inch]
6.0 12.0 18.0 24.0 30.0 36.0 42.0 48.0
x
[inch]
3.0
251 144 101 78 63 53 46 40
4.0
309 183 130 101 82 69 60 53
5.0
358 219 157 123 101 85 74 65
6.0
401 251 183 144 119 101 88 78
7.0
438 281 207 164 136 116 101 89
8.0
471 309 230 183 152 130 114 101
Result:
Load
F [lbs]
L1 [inch]
6.0 12.0 18.0 24.0 30.0 36.0 42.0 48.0
x
[inch]
3.0
126 72 50 39 32 26 23 20
4.0
154 91 65 50 41 35 30 26
5.0
179 109 79 61 50 43 37 33
6.0
200 126 91 72 59 50 44 39
7.0
219 141 104 82 68 58 50 45
8.0
235 154 115 91 76 65 57 50
Result:
L1 [inch]
F [lbs]
100 150 200 300 400 500 600 700
x
[inch]
3.0
8.00 4.75 3.00 1.25 0.50
4.0
10.75 6.25 4.00 1.75 0.75
5.0
13.50 7.75 5.00 2.25 0.75
6.0
16.25 9.50 6.00 2.75 1.00
7.0
18.75 11.00 7.00 3.00 1.25
8.0
21.50 12.50 8.00 3.50 1.25
Application
• Fastening of cable trays, pipes on a horizontal cantilever support, fastened on
a vertical structure
• Support is fastened by two / four 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
• 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 L1 and F (depending on load F or lever arm length L1 and X-BT-MF distance x)
FASTENING CANTILEVER SUPPORT
WITH X-BT-MF
Two / Four X-BT-MF Threaded studs
X-BT-MF • Imperial
99
Issued August 2018, expiry January 2022