Viti per pannelli truciolari testa cilindrica con impronta a croce
Cross recessed pan head screws chipboard screws

Viti per pannelli truciolari testa svasata con impronta a croce
Cross recessed countersunk (flat) head chipboard screws

Viti per pannelli truciolari testa svasata/calotta con impronta a croce
Cross recessed raised countersunk (oval) head chipboard screws