Four-expansion dowel Tchapai 12x120 200 pcs

Scope of application: fastening of lightly and moderately loaded structures — lighting fixtures, wall-mounted furniture cabinets, mailboxes and home decor elements, wall brackets for TVs and monitors, folding shutters, handrails, light shafts; wall and floor installation of bathroom and toilet sanitary equipment, etc. Material: polypropylene. Features: longitudinal ribs on the neck of the dowel, spikes and barbs in the expansion zone ensure reliable fixation of the dowel in the base material, prevent rotation during installation. When mounted in hollow materials, the screw gets stuck in the free end of the dowel and twists it into a knot. Used in conjunction with universal screws, sanitary bolts, stud-screws, etc. Installed in a pre-drilled hole. Not recommended for use with black self-tapping screws. Material of application: concrete, solid brick, hollow brick, expanded clay concrete, aerated concrete, stone, cinder block, sheet materials.