Universal rafter-to-purlin anchor
Rafter support anchor universal
PURLINANC-UNI-H250MM
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- Horizontal forces can be absorbed
- 2 or 4 rafter-to-purlin connectors must be used per joint, depending on the load
- 2 rafter-to-purlin connectors per joint must be arranged diagonally opposite one another to ensure central load application
- Universal, i.e. right or left application
- Sheet metal hot-dip galvanised on both sides (S250GD + Z275 [approx. 20 µm]), thickness 2.0 mm in line with EN 10346:2009
- Application in utilisation classes 1 and 2 in line with EN 1995:2013
European Technical Approval ETA-14/0105
The transverse load of the connected timbers must be observed and verified where necessary. Transverse reinforcement can be added using ASSY plus FT full-thread screws.
European Technical Approval ETA-14/0105
Datasheets(X)
Rafter-to-purlin connectors are used in timber structures, for instance, to secure battens, absorb wind suction forces, suspend collar beams or as anti-twist protection for beams in load-bearing connections.
Approved fasteners:
Comb/ribbed nail in line with EN 14592: 4.0 x 40 mm
 | |
Width x height x depth | 35 x 250 x 35 mm |
Thickness | 2 mm |
Design | Type - universal |
Hole diameter in subcarrier nJ/main carrier nH | 5 / 5 mm |
Number of holes in subcarrier nJ + main carrier nH | 8 + 9 PCS |
Weight | 122 g |
Material | Steel |
Surface | Hot dip galvanized |
Approval | ETA-14/0105 |
Depth | 35 mm |
Material designation | S250GD |
| Height mm | 2 rafter-to-purlin anchors per connection (diagonal) Wood width min. 60 mm | 4 rafter anchors per connection Wood width min. 80 mm | ||||
| Ring-shank nails | Number of nails/connection | Max. F1 | Ring-shank nails | Number of nails/connection | Max. F1 | |
| 170 | 4.0 x 40 | 4 x 4 = 16 | 3,4 | 4.0 x 40 | 8 x 4 = 32 | 6,8 |
| 210 | 4 x 6 = 24 | 4,6 | 8 x 6 = 48 | 9,2 | ||
| 250 | 4 x 8 = 32 | 5,6 | 8 x 8 = 64 | 11,2 | ||
| In load case HZ, the table values may be increased by 25 %. | ||||||
| Load capacity tables for Würth rafter-to-purlin anchor universal | ||||
| Characteristic load-bearing capacities in kN for two rafter-to-purlin anchors per connection | ||||
| Art. no. | Format (mm) | Ring-shank nails Number of pieces | Characteristic load-bearing capacity F1 | |
| Ring-shank nails 4x40 mm | Steel | |||
| 0681 170 010 | 35x170x35 | 4 + 5 | 12.30 kN | 6.62 kN |
| 0681 210 010 | 35x210x35 | 6 + 7 | 18.90 kN | 6.62 kN |
| 0681 250 010 | 35x250x35 | 8 + 9 | 25.40 kN | 6.62 kN |
| When nailing the rafter-to-purlin anchor, the edge distance between the nails and the stressed edge must be according to EN 1995: 2010. If necessary, lateral tensile failure should be configured for both components in accordance with the general rules of EN 1995:2004. In this case, the design value of the acting force perpendicular to the grain direction must be less than the design value resistance F90,Rd F90,Rk = character. Tensile strength in N | ||||
Notes:
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