MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flush (flat) countersunk (included angle - less than 135 degrees w or w/o chamfer)
MRC:
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.AAZE
Shank Diameter:
Between 0.3095 inches and 0.3115 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.AAZF
Shank Style:
Threaded self-plugging shank w/sleeve
Head Major Diameter:
Between 0.577 inches and 0.635 inches
MRC:
The device by which the item is expanded and set.ABAF
Expansion Device:
Threaded mandrel
MRC:
A measurement of the longest dimension of the grip,in distinction from width.ANEE
Grip Length:
Between 0.157 inches and 0.219 inches
MRC:
The minimum load,applied perpendicularly to the longitudinal axis of an item,at which point the item will fracture when subjected to the standard shear test method.CQSX
Shear Strength:
10350 double pounds per square inch
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
Between 99.0 degrees and 101.0 degrees