work, hereby publish it under the following license: English Screw. Doublelobular head author name string: Andrew Pertsev Wikimedia username: Andrew...
work, hereby publish it under the following license: English Screw Head. Doublelobular (Screw. Patent JPS5747013A 1982-03-17) author name string: Andrew...
work, hereby publish it under the following license: English Screw Head. Trilobe (Screw. Patent JPS5747013A 1982-03-17) author name string: Andrew Pertsev...
Pentalobular head scheme, svg Doublelobular head scheme, svg Tri-Circ (Trilobular) head scheme, svg Tri-Circ (Trilobular) Security screw, jpg Tri-Circ (Trilobular)...
File:Screw Head - Tri-Circ.svg is a vector version of this file. It should be used in place of this JPG file when not inferior. File:Tri circ.jpg → File:Screw...
