ATFN
Concealed Beam Hanger
The ATFN is a two piece steel plate connector. The first part of the connector is fixed into a pocket on the header timber with nails and the second part is fitted on the end of the in-coming beam with screws. No slots or dowel holes are necessary, speeding up installation.

CE Marking

ETA

Service class 1
Technical Data
Product Dimensions
References | Joist Size [mm] | Product Dimensions [mm] | Header holes | Joist holes | ||||
---|---|---|---|---|---|---|---|---|
Width | Height | A | B | t1 | t2 | Ø5 | Ø5 | |
Min | Min | |||||||
ATFN55/110 | 80 | 140 | 110 | 55 | 5 | 5 | 8 | 11 |
ATFN55/150 | 80 | 180 | 150 | 55 | 5 | 5 | 11 | 15 |
ATFN55/190 | 80 | 220 | 190 | 55 | 5 | 5 | 14 | 21 |
ATFN75/150 | 100 | 180 | 150 | 75 | 5 | 5 | 17 | 22 |
ATFN75/190 | 100 | 220 | 190 | 75 | 5 | 5 | 21 | 28 |
Product Capacities
References | Number of Fasteners | Product characteristic capacities - Timber C24 [kN] | |||
---|---|---|---|---|---|
Header | Joist | R1,k [2] | |||
Qty | Type | Qty | Type | CSA5,0x50-DECP | |
ATFN55/110 | 8 | CSA5,0X50 | 11 | CSA5,0X50 | 8.1 |
ATFN55/150 | 11 | CSA5,0X50 | 15 | CSA5,0X50 | 12.4 |
ATFN55/190 | 14 | CSA5,0X50 | 21 | CSA5,0X50 | 18.1 |
ATFN75/150 | 17 | CSA5,0X50 | 22 | CSA5,0X50 | 17.4 |
ATFN75/190 | 21 | CSA5,0X50 | 28 | CSA5,0X50 | 24.2 |
- CNA refers to an Annular Ring Shank Nail
- CSA Screw has reduced head height
Installation
Installation
Fixing
- CSA 5,0 x 50-DE Screw (with a reduced head height).
- Order nails and dowels separately.