These are 4x1/2" Button Head Sheet Metal Screws by Du-Bro.
FEATURES:
Zinc plated metal construction with clear chromate. Non-slip socket drive insert. The large head of the screw acts as a washer. A new design that's great for mounting servos, cowls, landing gear, etc.
YOU WILL RECEIVE:
(8) Screws
SPECIFICATIONS:
Length: 1/2" Diameter: 4mm
COMMENTS:
This uses a 1/16" size allen wrench (GPMR8006) kr3/29/05&