Piasta self-drilling screw DIN 7504K A2 4.8x38 Ruspert
Piasta Self-Drilling Screw DIN 7504K A2 4.8x38 Ruspert is a high-quality screw made of A2 stainless steel (AISI 304), designed especially for extended lap fastening of steel profile sheets and for direct fastening to steel substructures. The A2 stainless steel provides excellent corrosion resistance and withstands demanding weather conditions.
The drill point and first threads are made of hardened steel, ensuring good drilling performance and reliable fastening. The precise drilling diameter enables optimal fastening and ensures a perfect fit. The screw’s minimal thread tolerance ensures a strong and reliable joint.
Features:
Material: Bimetal/A2 (stainless steel head and shank, hardened steel drill point and threads)
Length: 38 mm
Nominal diameter: 4.8 mm
Head: PH 2
Flange diameter: 9.75 mm
Applications:
Extended lap fastening of steel profile sheets
Fastening steel profiles directly to steel substructures
Material thickness: 1.75–4.4 mm (steel)