ASME B 18.6.3 - 2013
Dimensions of Slotted Close Tolerance
100-deg Flat Countersunk Head Screws
(Machine Screws Only)
(ASTM F837 / F468)
|①,Edge of head may be rounded or flat.
②,The diameter of body on machine screws having other than trim heads shall not be less than the Class 2A thread minimum pitch diameter nor greater than the basic major diameter of the thread.