5305-01-580-4384 SCREW,CAP,SOCKET HEAD Index 5305-01-580-4448 SCREW,MACHINE

National Stock Number:
5305-01-580-4405

Federal Supply Class:
5305

National Item Identification Number:
015804405

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:
91255A55939428MCMASTER-CARR SUPPLY CO


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH1.132 INCHES NOMINAL
HEAD DIAMETER0.437 INCHES NOMINAL
HEAD HEIGHT0.132 INCHES NOMINAL
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYBLACK-OXIDE ALLOY STEEL BUTTON SOCKET HEAD CAP SCREW
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.000 INCHES NOMINAL


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