MS9218-20 Machine Bolt

Product Series
MS
ECCN
EAR99
Schedule
7318.15.8085
Unit of Measure: EA

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Head Style
Double hexagon w/hole
Material
Steel comp 601
Surface Treatment
Ams2416 assn standard single treatment response
Thread Class
3a
Extended Washer Diameter
Between 0.428 inches and 0.448 inches
Extended Washer Thickness
Between 0.060 inches and 0.070 inches
Fastener Length
Between 1.365 inches and 1.385 inches
Features
Finished head
Features Provided
Finished head
Grip Length
Between 0.565 inches and 0.625 inches
Hardness Rating
42.0 rockwell c and 46.0 rockwell c
Head Height
Between 0.320 inches and 0.340 inches
Material Specification
Ams6304 assn standard single material response
Surface Finish
32.0 microinches threads
Thread Diameter
0.250 inches
Thread Direction
Right-hand
Thread Length
Between 0.740 inches and 0.820 inches
Thread Qty Per Inch (tpi)
28
Thread Series Designator
Unjf (fine thread with external controlled root radius)
Width Between Flats
Between 0.305 inches and 0.313 inches