Product Technical Guide for Vertical Rod Stiffeners
Hilti MI/MQ Technical Guide
5.0 Installation System Hangers
Hilti, Inc. (US) 1-800-879-8000 | www.us.hilti.com I en español 1-800-879-5000 I Hilti (Canada) Corp. 1-800-363-4458 I www.hilti.ca I MI/MQ Technical Guide 2015
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Seismic hinge
Product Features
• For use with Hilti channel proles, concrete anchors, bolted
to structural steel or threaded drop rods to brace against
lateral loads
Material Specications
Material
Carbon Steel, A36
Finish
Electro-Galvanized per ASTM B633 SC1
Conforms with
• Bolt conforms to ANSI B18.2.1
• Nut conforms to ANSI B18.2.2
Ordering Information
Description
Hanger Rod/ Bolt
Diameter Qty Item No.
Seismic Hinge, Strut Half with Bolt and Nut
1/2" 10 333309
Seismic Hinge, Base/ Hanger Half, 3/8"
1
3/8" 10 369714
Seismic Hinge, Base/ Hanger Half, 1/2"
1
1/2" 10 333308
Seismic Hinge, Base/ Hanger Half, 5/8"
1
5/8" 10 369715
Seismic Hinge, Base/ Hanger Half, 3/4"
1
3/4" 10 369716
Technical Data — Allowable Loads
2
Hinge Angle
Base Hanger Half to Strut
w/ 1 - MQM 1/2" lb
Base Hanger Half to Strut
w/ 2 - MQM 1/2" lb
Strut Nut
Tightening Torque ft-lb
90
1125 2025 30
90
1200 - 50
45
1200 1815 30
45
1500 - 50
0
1800 1800 30
1 Capacity of hanger rod/anchor to concrete must be evaluated separately.
2 Based on a safety factor of 2.2.
5.8 Bracing
Vertical rod stiffeners
Product Features
• Use for seismic compression bracing of threaded rods
Material Specications
Material
Carbon Steel
Finish
Electro-Galvanized
Ordering Information
Description
Hanger Rod/ Bolt
Diameter Qty Item No.
Hilti Rod Stiffener — Internal (rod in strut)
3/8"–5/8" 25 311943
Technical Data
Threaded Rod Diameter
(inches)
Rod Stiffener Bolt
Torque (ft-lb)
Max. Spacing Between
Rod Stiffeners
1
(inches)
Allowable Threaded Rod
Compression Load (lb)
3/8
8 15 255
1/2
8 20 475
5/8
8 26 760
1 Minimum of two rod stiffeners per channel to restrain buckling of the threaded rod
2 Compression load based on 13th Edition AISC (360-05)
3 Minimum threaded rod yield strength Fy = 36,000 psi
4 See detail for construction dimensional details
5 Strut shall be 1-5/8"
9/16" diameter
See options
for hole size
1-15/16"
+ +