MRC:
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.AASB
Fastener Length:
Between 0.240 inches and 0.260 inches
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 0.061 inches and 0.065 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.AAZF
Shank Style:
Straight w/radius chamfered tip
Head Major Diameter:
Between 0.090 inches and 0.135 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
Between 98.5 degrees and 101.5 degrees
MRC:
A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.HEAT
Heat Treatment:
Annealed
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Copper
