Modular Supports System Product Technical Guide June 2026 | Page 157

Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.8 MT Clamps and Channel Ties
MT-CC-40 / 50 FL / MT-CC-40 / 50 FL OC
Description
Clamp preassembled with Fast Lock for connecting MT-50 to open channel.
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u, ksi( MPa)
GB / T 700 Q235 34.08( 235) 53.66( 370)
1 Mechanical properties of GB / T 700 Grade Q235 meet or exceed the mechanical properties of ASTM A1011 SS Grade 33.
Corrosion Protection
Description
Environmental Conditions
MT-CC-40 / 50 FL
Dry indoor conditions( C1)
Indoor with temporary condensation( C2)
MT-CC-40 / 50 FL OC
Outdoor, low to moderate pollution( C3 / C4- low)
Ordering Information
Description
Weight Per
Piece, lbs( kg)
Quantity
Piece( s)
Item No.
MT-CC-40 / 50 FL
0.70( 0.32)
12
2399667
MT-CC-40 / 50 FL OC 0.70( 0.32) 12 2399679
mm( in)
Figure 123 – Channel-to-Channel Connection Table 345- Allowable Strength Design( ASD) Load Data 1, 2, 3, 4
C. D.
MT-50 / 50U MT-30 / 30D / 40D / 50 / 50U / 50D / 50DU / 60 / 60D
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
1,010
( 4.50)
1,686
( 7.50)
1,124
( 5.00)
1 Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor
Minimum safety factor, Ω, for tabulated values is 2.6.
2 Design( LRFD) values.
3 See Figure 123.
4 Loading in the negative Z-direction is not recommended for this connector.
Table 346- Limit State Design( LSD) Load Data 1, 2, 3
Fx lb( kN)
Fy lb( kN)
Fz lb( kN)
1,405
( 6.26)
2,347
( 10.44)
1,560
( 6.96)
1 Maximum resistance factor, φ, for tabulated values is 0.51.
2 See Figure 123.
3 Loading in the negative Z-direction is not recommended for this connector.
156 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