5305-01-308-8121 SCREW,MACHINE Index 5305-01-308-8123 SCREW,MACHINE

National Stock Number:
5305-01-308-8122

Federal Supply Class:
5305

National Item Identification Number:
013088122

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:
2522 006 020730SXW1CHART INC. - PROCESS SYSTEMS DIVISION


Techincal Specification:
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.25
EXTERNAL THREAD TOLERANCE CLASS6G
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH22.5 MILLIMETERS MINIMUM AND
25.0 MILLIMETERS MAXIMUM
FASTENER LENGTH25.0 MILLIMETERS NOMINAL
MATERIALSTEEL PROPERTY CLASS 12.9 OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER13.0 MILLIMETERS MAXIMUM
HEAD HEIGHT8.0 MILLIMETERS NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS6.0 MILLIMETERS NOMINAL


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