Generally required at centre of span when floor joists exceed 2.5 metres.
Spans exceeding 4.5 metres require two rows spaced at 1/3 and 2/3 span.
HSA come sized to suit joist centre spacing of 400, 450 & 600mm.
See tables for required spacings.
Technical Data
Dimensions
Product Dimensions
References
Dimensions [mm]
Holes
A
B
C
D
t
End C
End D
Ø4.1
Ø4.1
HSA400
27
480
53
53
1
4
4
HSA450
27
530
53
53
1
4
4
HSA600
27
660
53
53
1
4
4
To suit joist sizes 50x175, 50x200 & 50x225
Installation
Technical Notes
Selection Guide
Joist Size [mm]
References
Fasteners
Joist Spacing [mm]
End C
End D
400
450
600
N3.75x30
N3.75x30
50x175
HSA400
HSA450
HSA600
2
2
50x200
HSA400
HSA450
HSA600
2
2
50x225
HSA400
HSA450
HSA600
2
2
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About Simpson Strong-Tie®
Simpson Strong-Tie provides products and technology that help people design and build safer, stronger structures.
As a pioneer in the building industry and a world leader in structural solutions, we have an unmatched passion for problem solving through skilful engineering and thoughtful innovation. Our dedication to pursuing ever-better construction products and technology and to surrounding our customers with exceptional service and support has been core to our mission since 1956.