UNIKA Non-Plastic Screw, Silver, Flat Head, No B Drill, F-525SDN (80 Pieces) F-525-SDN 1 PK

Catalog number: F-525-SDN Features: ● Can be screwed directly into concrete and can be easily installed with a normal screwdriver. Applications: ● Various installations such as pipe saddle fasteners, switch boxes, curtain rails, storage shelves, air conditioning equipment, lighting fixtures, and interior base materials. Specifications: ● Nominal diameter d (mm): 5 ● Pilot hole diameter (mm): 4.3 ● Embedded depth (mm): 20 ● Maximum tensile load (kN): 1.9 ● Drilling depth (mm): 25 ● Length (mm): 25 ● Compatible screwdriver: Phillips No. 2 ● Head shape: Countersunk head ● Compatible materials: Concrete, block ● Clear pack Material/Finish: ● Steel ● Surface treatment: Silver plating Note: ● Maximum tensile load is the value when the concrete strength is Fc 21N/mm[[squared]].