TXT
묘사:
Externally Relieved Body Screw
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
Between 0.470 inches and 0.550 inches
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:
2.250 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flat chamfer
MRC:
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.AASL
Head Diameter:
Between 0.490 inches and 0.518 inches
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
0.172 inches
MRC:
The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.AAWB
Shank Unthreaded Hole Diameter:
0.065 inches first hole and 0.072 inches first hole
First Diameter From Head:
Between 0.330 inches and 0.336 inches
Second Diameter From Head:
Between 0.229 inches and 0.233 inches
Third Diameter From Head:
Between 0.330 inches and 0.336 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter:
Between 0.160 inches and 0.200 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter:
Between 1.570 inches and 1.630 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter:
Between 1.700 inches and 1.780 inches
