Installation Typicals - Fastening on Steel Threaded Studs
DOWNLOAD DRAWINGS (PDF) DOWNLOAD DRAWINGS (DWG) FASTENER OVERVIEW
APPLICATION OVERVIEW
DISCLAIMERHOW TO USE THIS DOCUMENT
x
x
2 studs
4 studs
FASTENER SYSTEM
FASTENER TECHNICAL DETAILS
Application
• Fastening of lamps, signals, sensors on inclined cantilever support, fastened
on a vertical structure
• Support is fastened by two / four X-BT-MF (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 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
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
475 280 180 125 85 35
100
595 350 230 155 105 45
125
745 440 285 195 135 55
150
895 525 345 235 160 70
175
1045 615 400 275 185 80
200
1195 705 460 310 215 90
Result:
Load
F [kg]
L1 [m m]
150 200 250 400 600 800 1000 1200
x
[mm]
80
140 115 95 60 40 30 20 20
100
165 135 115 75 50 35 30 25
125
195 160 135 90 60 45 35 30
150
215 180 155 105 75 55 45 35
175
235 200 170 120 85 65 50 40
200
255 215 185 135 95 75 60 50
Result:
Load
F [kg]
L1 [m m]
150 200 250 400 600 800 1000 1200
x
[mm]
80
70 55 45 30 20 15 10 10
100
80 65 55 35 25 15 15 10
125
95 80 65 45 30 20 15 15
150
105 90 75 50 35 25 20 15
175
115 100 85 60 40 30 25 20
200
125 105 90 65 45 35 30 25
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
235 140 90 60 40 15
100
295 175 115 75 50 20
125
370 220 140 95 65 25
150
445 260 170 115 80 35
175
520 305 200 135 90 40
200
595 350 230 155 105 45
NOTE: load capacity used for calculation N
rec
= 1.5 kN (axial) / V
rec
= 2.2 kN (shear)
Technical assessment — maximum of L1 and F (depending on load F or lever arm length L1 and X-BT-MF distance x)
FASTENING EQUIPMENT SUPPORT
WITH X-BT-MF
Two / Four X-BT-MF Threaded studs
X-BT-MF • Metric
51Issued August 2018, expiry January 2022