Modular Support Systems Technical Guide, Edition 1
4.0 ADDITIONAL HARDWARE
ROD COUPLERS
Material Specifications
Material Finish Thread
ASTM A563 Grade A; Carbon Steel
Zinc electroplated to ASTM B 633-98, SC 1, Type I
Class 2A fit; Class 2B thread
Table 278- Technical Data and Ordering Information
Description
Length( in)
Width Across Flats( in)
Quantity Pack Item No.
MSS-SP-58 1 Allowable Tensile Load at 650 ° F( lbs)
AISC 2 Allowable Tensile Load( lbs)
1 / 4 " Rod Coupler 7 / 8 3 / 8 100 411746 300 780 3 / 8 " Rod Coupler 1-1 / 8 1 / 2 50 411747 730 1,750 1 / 2 " Rod Coupler 1-1 / 4 5 / 8 50 411748 1,350 3,110 5 / 8 " Rod Coupler 2-1 / 8 13 / 16 50 411749 2,160 4,860 3 / 4 " Rod Coupler 2-1 / 4 1 25 411750 3,230 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
HEX BOLTS
Material Specifications
Material Dimensions Finish Thread
ASTM A307; Stainless Steel 316 |
ASME / ANSI B18.2.1 – 1981 |
Zinc electroplated to ASTM B 633-98, SC 1, Type I |
Class 2A fit; Class 2B thread; ASME B1.1 |
Table 279- Ordering Information
Description
Quantity Pack Item No.
Hex head bolt 3 / 8 " x 1-1 / 4 " 100 411764 Hex head bolt 3 / 8 " x 1-1 / 4 "( SS316) 50 411788 Hex head bolt 3 / 8 " x 1-1 / 2 " 100 411765 Hex head bolt 3 / 8 " x 1-1 / 2 "( SS316) 50 411789 Hex head bolt 1 / 2 " x 1 " 50 411766 Hex head bolt 1 / 2 " x 1 "( SS316) 50 411790 Hex head bolt 1 / 2 " x 1-1 / 4 " 50 411767 Hex head bolt 1 / 2 " x 1-1 / 4 "( SS316) 50 411791 Hex head bolt 1 / 2 " x 1-1 / 2 " 50 411768 Hex head bolt 1 / 2 " x 1-1 / 2 "( SS316) 50 411792
2023
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