Assertion: phillips screwdriver's head | /r/HasProperty | 3⁄ 16 inch
Facets:
Source sentences:
text: In 1913, Woolley and Meredith defined them like Anthony, but gave the following dimensions: hex head cap screws up to and including 7⁄ 16 inch (11.1125 mm) have a head that is 3⁄ 16 inch (4.7625 mm) larger than the shank diameter; screws greater than 1⁄ 2 inch (12.7 mm) in diameter have a head that is 1⁄ 4 inch (6.35 mm) larger than the shank.