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:
Between 19.7 millimeters and 20.3 millimeters
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 71.7 millimeters and 72.3 millimeters
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Round w/wrench flats
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 29.7 millimeters and 30.3 millimeters
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 2.7 millimeters and 3.3 millimeters
Width Between Flats:
Between 26.7 millimeters and 27.3 millimeters
MRC:
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.AATN
Shoulder Diameter:
21.5 millimeters first shoulder and 22.1 millimeters first shoulder23.7 millimeters second shoulder and 23.8 millimeters second shoulder
MRC:
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.AATX
Shoulder Length:
1.7 millimeters first shoulder and 2.3 millimeters first shoulder46.7 millimeters second shoulder and 47.3 millimeters second shoulder
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:
12.0 millimeters
MRC:
A measurement of distance between corresponding points on two adjacent threads measured parallel to the thread axis,expressed in millimeters.CQQR
Thread Pitch In Millimeters:
1.75
MRC:
A numeric-alpha designator indicating established pitch and crest diameter tolerance positions and grades of an external thread.CQWR
External Thread Tolerance Class:
4h6h
MRC:
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.CWYB
Shoulder Shape:
Round first shoulderround second shoulder
MRC:
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.HUES
Color:
Green headgreen bearing surface of headgreen all shoulders
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1117
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:
Astm a108 assn standard single material response
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Phosphate zinc or paint paint head and plastic polyurethane headpaint bearing surface of head and plastic polyurethane bearing surface of headpaint all shoulders and plastic polyurethane all shoulders
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Tt-c-490 type 1 cl optional federal specification 1st treatment response or tt-c-490 type 3 federal specification 1st treatment response mil-p-53084 military specification 1st treatment response head and mil-c-46168 military specification 2nd treatment response head or mil-c-53039 military specification 2nd treatment response headmil-p-53084 federal specification 3rd treatment response bearing surface of head and mil-c-46168 military specification 2nd treatment response bearing surface of head or mil-c-53039 military specification 2nd treatment response bearing surface of headmil-p-53084 military specification 1st treatment response all shoulders and mil-c-46168 military specification 2nd treatment response all shoulders or mil-c-53039 military specification 2nd treatment response all shoulders
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:
M
