TXT
묘사:
Externally Relieved Body Bolt
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
1a
MRC:
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AAJF
Thread Direction:
Right-hand
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
0.380 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:
Between 3.380 inches and 3.400 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.171 inches and 0.205 inches
Width Between Flats:
Between 0.484 inches and 0.500 inches
First Diameter From Head:
Between 0.325 inches and 0.327 inches
Second Diameter From Head:
Between 0.260 inches and 0.300 inches
Third Diameter From Head:
Between 0.325 inches and 0.327 inches
Fourth Diameter From Head:
Between 0.245 inches and 0.250 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter:
Between 0.750 inches and 0.770 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter:
Between 2.470 inches and 2.500 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter:
Between 2.980 inches and 2.990 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter:
Between 3.020 inches and 3.060 inches
MRC:
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM
Thread Diameter:
0.312 inches
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
24
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
30.0 rockwell c and 32.0 rockwell c
MRC:
The number of externally relieved diameters on the body,adjacent to the head.CSNG
Externally Relieved Body Diameter Quantity:
4
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4140
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Sae assn standard single material response
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Unf
