5305-01-064-6255 SETSCREW Index 5305-01-064-6258 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-064-6256

Federal Supply Class:
5305

National Item Identification Number:
010646256

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:
211-0584-0080009TEKTRONIX, INC.


Techincal Specification:
FASTENER LENGTH0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
HEAD HEIGHT0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD LENGTH0.158 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNRC
THREAD QUANTITY PER INCH32


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