Robertson Screws
Screws with a square hole. Strictly a Canadian device, you won't find this type of screw in the USA.
Would you like to view another Canadianism? Try one of these...
Haligonian * Chirp * Giv'n'r * Shreddies * Farmer Turn *
Screws with a square hole. Strictly a Canadian device, you won't find this type of screw in the USA.
Would you like to view another Canadianism? Try one of these...
Haligonian * Chirp * Giv'n'r * Shreddies * Farmer Turn *