Dubro #4X1/2" Button Head Sheet Metal Screws, 8Pc

These are 4x1/2" Button Head Sheet Metal Screws by Du-Bro.

FUNCTIONS:
Zinc plated metal building and construction with clear chromate.
Non-slip socket drive insert.
The large head of the screw functions as a washer.
A brand-new style that's terrific for installing servos, cowls, landing
    equipment, etc.

INCLUDES:
(8) Screws

SPECS:
Length: 1/2"
Diameter: 4mm

REMARKS:
This uses a 1/16" size allen wrench (GPMR8006)