Modular Supports System Product Technical Guide June 2026 | Page 195

Modular Support Systems Technical Guide, Edition 2
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 408 – 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
½
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 Fu x Anom
AISC Allowable Shear load = 0.17 x Fu x Anom
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 409 – 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
194 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