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Machine Bolt - ​MS20074-06-06

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Machine Bolt - MS20074-06-06
Military Standard Part



Description:   Drilled Head Machine Bolt, 3/8-16, UNC Thread Length L Thread
Part number:   MS20074-06-06


Product Overview:

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.


Product Specification:

Thread Class
 :3A
Thread Direction:Right-Hand
Thread Length
:Between 0.640 inches and 0.719 inches
Fastener Length
:Between 0.781 inches and 0.828 inches
Head Style
:Hexagon
Head Height:Between 0.266 inches and 0.297 inches
Width Between Flats
:Between 0.554 inches and 0.564 inches
Hole Diameter
:0.070 inches
Thread Diameter
:0.375 inches
Grip Length
:Between 0.109 inches and 0.141 inches
Hole Quantity
:6
Hole Type
:Drilled
Features Provided
:Finished head
Thready Qty Per Inch (tpi)
:16
Min. Tensile Strength (psi)
:125000 pounds per square inch
Hardness Rating
:26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style
:Hexagon longitudinal hole
Material:Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
Material Specification:Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response
Surface Treatment:Cadmium and chromate
Surface Treatment Specification:Qq-p-416, type 2 cl 3 federal specification single treatment response
Thread Series Designator:UNC




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