5305-01-555-6021 SCREW,MACHINE Index 5305-01-556-3259 SETSCREW

National Stock Number:
5305-01-555-6952

Federal Supply Class:
5305

National Item Identification Number:
015556952

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:
HH66381641QYC9ATLANTIC FASTENERS CO LLC


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH4.000 INCHES NOMINAL
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.219 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


Click here to Register for Free 30-day Trial