Modular Supports System Product Technical Guide June 2026 | Page 159

Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.8 MT Clamps and Channel Ties
MT-CC-70 OC
Description
Clamp for connecting MT-70 to channel or girder. Meant to be installed with the Thread Forming 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-CC-70 OC Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per
Piece, lbs( kg)
Quantity
Piece( s)
Item No.
MT-CC-70 OC
0.79( 0.36)
16
2322404
mm( in)
Figure 126 – Girder-to-Strut Connection
Table 351- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
700
( 3.12)
2,105
( 9.38)
1,120
( 5.00)
1 Minimum safety factor, Ω, for tabulated values is 2.6.
2 Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor
Design( LRFD) values.
3 See Figure 126.
4 Loading in the negative Z-direction is not recommended for this connector.
Table 352- Limit State Design( LSD) Load Data 1, 2, 3
A. MT-70 B. MT-30 / 40D
Figure 127 – Girder-to-Girder Connection
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
975
( 4.35)
2,930
( 13.05)
1,560
( 6.96)
1 Maximum resistance factor, φ, for tabulated values is 0.55.
2 See Figure 126.
3 Loading in the negative Z-direction is not recommended for this connector.
Table 353- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
A. MT-70
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
2,545
( 11.33)
2,035
( 9.06)
2,055
( 9.16)
1 Minimum safety factor, Ω, for tabulated values is 2.35.
2 Multiply tabulated values by 1.5 to obtain minimum LRFD values.
3 See Figure 127.
4 Loading in the negative Z-direction is not recommended for this connector.
Table 354- Limit State Design( LSD) Load Data 1, 2, 3
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
3,310
( 14.73)
2,645
( 11.78)
2,675
( 11.91)
1 Maximum resistance factor, φ, for tabulated values is 0.55.
2 See Figure 127.
3 Loading in the negative Z-direction is not recommended for this connector.
158 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