Installation Typicals - Fastening on Steel Threaded Studs
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FASTENING EQUIPMENT SUPPORT
WITH S-BT
Two / Four S-BT-MR / S-BT-MF Threaded studs
Technical assessment — maximum of L1 and F (depending on load F or lever arm length L1 and S-BT distance x)
Result:
L1 [mm]
F [kg]
50 75 100 125 150 200 250 300
→ Load in [kN] 0.49 0.74 0.98 1.23 1.47 1.96 2.45 2.94
x
[mm]
80
290 175 120 85 60 30 15
100
365 220 150 105 75 40 15
125
455 280 185 130 95 50 20
150
550 335 225 160 115 60 25
175
640 390 260 185 135 70 30
200
730 445 300 210 155 80 35
Result:
L1 [mm]
F [kg]
50 75 100 125 150 200 250 300
→ Load in [kN] 0.49 0.74 0.98 1.23 1.47 1.96 2.45 2.94
x
[mm]
80
585 355 240 170 120 65 30
100
730 445 300 210 155 80 35
125
915 560 375 265 190 100 45
150
1100 670 450 320 230 120 55
175
1280 785 525 370 270 140 65
200
1465 895 600 425 310 160 75
Result:
Load
F [kg]
L1 [m m]
150 200 250 400 600 800 1000 1200
x
[mm]
80
85 65 55 35 20 15 10 10
100
100 80 65 45 30 20 15 15
125
115 95 80 55 35 25 20 15
150
130 105 90 65 45 30 25 20
175
140 115 100 70 50 40 30 25
200
150 130 110 80 55 45 35 30
Result:
Load
F [kg]
L1 [m m]
150 200 250 400 600 800 1000 1200
x
[mm]
80
170 135 115 70 45 35 25 20
100
200 160 135 90 60 45 35 30
125
230 190 160 110 75 55 45 35
150
260 215 185 130 90 65 55 45
175
280 235 205 145 105 80 60 50
200
305 260 225 160 115 90 70 60
NOTE: load capacity used for calculation N
rec
= 1.8 kN (axial) / V
rec
= 2.6 kN (shear)
FASTENER OVERVIEW
APPLICATION OVERVIEW
DISCLAIMERHOW TO USE THIS DOCUMENT
S-BT-MR / S-BT-MF • Metric
x
x
2 studs
4 studs
FASTENER TECHNICAL DETAILS
FASTENER SYSTEM
Application
• Fastening of lamps, signals, sensors on inclined cantilever support, fastened
on a vertical structure
• Support is fastened by two / four S-BT (vertical distance x)
• L1 is the distance of the load center (~middle of the load) 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 S-BT 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 S-BT (worst-case)
• Load F acting at the distance of L1 from structure surface
37Issued August 2018, expiry January 2022