1 x Framing screws TEKOR Countersunk Head With Serration T40 8X140 Thread Length: 80 cut Type 17 Drilling Point Zinc

Roof formwork

To assemble my traditional timber frame To assemble my trusses and then fix the rafters to the purlins

I'm going to fix my 63x75 rafters to my 22x11 beams.

Use for the structural fixing of 75x225 mm floor joists to the 45x220 mm timber frame of a timber-framed house. TEKOR 8x140 screws are used for the load-bearing connection between the bottom plate, the joists, and the perimeter sheathing of the floor, before the installation of the 22 mm OSB and the wall framing. Structural fixing of 75x225 mm floor joists to a 45x220 mm timber frame according to the installation method for a timber floor conforming to DTU 31.2. TEKOR 8x140 T40 screws (80 mm thread, type 17 point) ensure the connection between the bottom plate, the perimeter sheathing of the joists, and the joists with a 400 mm spacing, before the installation of a 22 mm OSB floor supporting the timber frame of the house. Indoor use, sheltered from softwood, planed, staggered mounting, 2-3 screws per support.

I use these screws to fix my counter battens to the roof when I install a 35mm fiberwood Tekkor screws, Reference 2040814002_200 in 8x140mm