5305-01-612-7219 SCREW,MACHINE 5305-01-612-6838 SCREW,MACHINE

National Stock Number:
5305-01-612-6859

Federal Supply Class:
5305

National Item Identification Number:
016126859

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
92210A15239428MCMASTER-CARR SUPPLY CO


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH0.875 INCHES NOMINAL
HARDNESS RATING70.0 ROCKWELL B NOMINAL OVERALL
HEAD DIAMETER0.307 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCY18-8 STAINLESS STEEL FLAT SOCKET HEAD CAP SCREW
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.138 INCHES
SPECIAL FEATURESMATERIAL IS 18-8 STAINLESS STEEL. MAYBE MILDLY MAGNETIC. FLAT HEAD SCREWS ARE NOT RECOMMENDED FOR HIGH STRENGTH APPLICATIONS.
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.778 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.0781 INCHES NOMINAL


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