Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut. Flat countersunk head screws sit flush with the surface of the material they are inserted into. Alloy steel fasteners are significantly stronger than standard low carbon steel fasteners.DIMENSIONAL ATTRIBUTES Diameter (Nominal): #6 Thread Pitch: 32 Diameter (Dimension): 0.138" Length (Nominal): 3/4" Thread Length (Nominal): 0.667" Drive Recess Size: T10 Drive Recess Width: 0.111" Drive Recess Depth (Minimum): 0.035" Drive Recess Depth (Maximum): 0.045" Head Diameter (Minimum): 0.238" Head Diameter (Maximum): 0.262" Head Height, Overall: 0.083"PRODUCT ATTRIBUTES Category: Machine Screws System of Measurement: Inch Brand: Aspen Fasteners Head Style: Flat Countersunk Head Head Style Detail: 82 Degree Countersink Drive Style: Tamper-Resistant 6Lobe Pin Drive Drive Detail: Torx® Brand Thread Length: Full Thread Thread Direction: Right-Hand Thread Material: Steel Material Grade: Alloy Steel Coating: Uncoated Origin: Made in U.S.A.