Modular Support Systems Technical Guide, Edition 1
4.0 ADDITIONAL HARDWARE
THREADED ROD
Material Specifications
Material F y, ksi( MPa) F u
, ksi( MPa)
Carbon steel per AISI 1008 or ASTM A36
36( 248.2) 48( 330.9)
Corrosion Protection
Plain: Un-coated Zinc: Galvanized to ASTM F1941-Fe / Zn 5A local layer min. 5 ym
Table 275- Technical Data and Ordering Information
Description
Quantity Pack
Weight( ft / lb)
Weight Per Package( lbs)
Diameter( in) Item No.
MSS-SP-58 1 Allowable Tensile Load at 650 ° F( lbs)
AISC 2 Allowable Tensile Load( lbs)
1 / 4 " x 6 ' Threaded rod( Zinc) 50 0.12 35.7 1 / 4 257963 300 780 1 / 4 " x 10 ' Threaded rod( Zinc) 50 0.12 59.5 1 / 4 309386 300 780 1 / 4 " x 10 ' Threaded rod( Plain) 50 0.12 59.5 1 / 4 309391 300 780 3 / 8 " x 6 ' Threaded rod( Zinc) 25 0.3 42.6 3 / 8 257964 730 1,750 3 / 8 " x 6 ' Threaded rod( Plain) 25 0.3 42.6 3 / 8 257969 730 1,750 3 / 8 " x 10 ' Threaded rod( Zinc) 25 0.3 71.3 3 / 8 309387 730 1,750 3 / 8 " x 10 ' Threaded rod( Plain) 25 0.3 71.3 3 / 8 309392 730 1,750 1 / 2 " x 6 ' Threaded rod( Zinc) 12 0.5 38.8 1 / 2 257965 1350 3,110 1 / 2 " x 10 ' Threaded rod( Zinc) 12 0.5 61.4 1 / 2 309388 1350 3,110 1 / 2 " x 10 ' Threaded rod( Plain) 12 0.5 61.4 1 / 2 309393 1350 3,110 5 / 8 " x 6 ' Threaded rod( Zinc) 8 0.84 40.0 5 / 8 257966 2160 4,860 5 / 8 " x 10 ' Threaded rod( Zinc) 8 0.84 66.5 5 / 8 309389 2160 4,860
5 / 8 " x 10 ' Threaded rod( Plain) 8 0.84 66.5 5 / 8 309394 2160 4,860 3 / 4 " x 6 ' Threaded rod( Zinc) 5 1.2 36.2 3 / 4 257967 3230 6,700 3 / 4 " x 10 ' Threaded rod( Zinc) 5 1.2 60 3 / 4 309390 3230 6,700
1. Per MSS-SP-58-2002, the ultimate tensile loads are based on a tensile stress of 50,000 psi multiplied by the threaded rod root area based on coarse thread UNC. 2. AISC Allowable Tensile load = 0.33 x F u x A nom
AISC Allowable Shear load = 0.17 x F u x A nom
2023
145