5305-01-601-4250 SCREW,CAP,SOCKET HEAD 5305-01-601-4281 SCREW,MACHINE

National Stock Number:
5305-01-601-4278

Federal Supply Class:
5305

National Item Identification Number:
016014278

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:
91292A12339428MCMASTER-CARR SUPPLY CO


Techincal Specification:
THREAD SERIES DESIGNATORISO M
NOMINAL THREAD DIAMETER3.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.5
EXTERNAL THREAD TOLERANCE CLASS3
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH20.0 MILLIMETERS NOMINAL
FASTENER LENGTH23.0 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
HEAD STYLEFLAT FILLISTER
HEAD DIAMETER5.5 MILLIMETERS NOMINAL
HEAD HEIGHT3.0 MILLIMETERS NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS2.5 MILLIMETERS NOMINAL


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