5305-01-556-7339 SCREW,MACHINE Index 5305-01-555-8405 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-556-7393

Federal Supply Class:
5305

National Item Identification Number:
015567393

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:
ISO 10642-M8X30-8.8-A2JI9008INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)


Techincal Specification:
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH30.0 MILLIMETERS NOMINAL
HEAD DIAMETER4.9 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYHEXAGO SOCKET COUNTERSUNK HEAD SCREWS
MATERIAL DOCUMENT AND CLASSIFICATIONISO 8992 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
MINIMUM TENSILE STRENGTH23 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH ACROSS FLATS5.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONISO 10683 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH28.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.25


Click here to Register for Free 30-day Trial