Modular Supports System Product Technical Guide June 2026 | Seite 163

Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.8 MT Clamps and Channel Ties
MT-CT-H4
Description
4-hole flat plate for connecting matching channel. Meant to be installed with the Twist Lock and Twist Lock bolt.
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u, ksi( MPa)
GB / T 700 Q235 B 34.08( 235) 53.66( 370)
1 Mechanical properties of GB / T 700 Grade Q235 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 33.
Corrosion Protection
Description
Environmental Conditions
MT-CT-H4
Dry indoor conditions( C1)
Indoor with temporary condensation( C2)
MT-CT-H4 OC
Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per
Piece, lbs( kg)
Quantity
Piece( s)
Item No.
MT-CT-H4
0.58( 0.26)
15
2322408
MT-CT-H4 OC 0.58( 0.26) 15 2322412 mm( in)
Figure 134 – Single Plate Connection
A. MT-30 / 50 / 60
Figure 135 – Double Plate to Connection
Table 367- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
1,215
( 5.41)
350
( 1.56)
495
( 2.22)
1 Minimum safety factor, Ω, for tabulated values is 2.65.
2 Multiply tabulated values by 1.5 to obtain minimum Load and
Resistance Factor Design( LRFD) values.
3 See Figure 134.
Table 368- Limit State Design( LSD) Load Data 1, 2
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
1,580
( 7.03)
490
( 2.18)
640
( 2.86)
1 Maximum resistance factor, φ, for tabulated values is 0.5.
2 See Figure 134.
Table 369- Allowable Strength Design( ASD) Load Data 1, 2, 3
A. MT-40D
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
2,305
( 10.27)
700
( 3.12)
1,615
( 7.19)
1 Minimum safety factor, Ω, for tabulated values is 3.50.
2 Multiply tabulated values by 1.5 to obtain minimum LRFD values.
3 Tabulated values are based on plates being installed in pairs.
4 See Figure 135.
Table 370- Limit State Design( LSD) Load Data 1, 2
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
3,000
( 13.35)
975
( 4.35)
2,100
( 9.35)
1 Maximum resistance factor, φ, for tabulated values is 0.4.
2 Tabulated values are based on plates being installed in pairs.
3 See Figure 135.
162 Modular Support Systems Technical Guide Edition 2 | Installation Systems Hilti, Inc. 1-800-879-8000 | en español 1-800-879-5000 | www. hilti. com | Hilti( Canada) Corporation | 1-800-363-4458 | www. hilti. ca