5305-01-266-8558 SCREW,CAP,SOCKET HEAD Index 5305-01-266-8560 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-266-8559

Federal Supply Class:
5305

National Item Identification Number:
012668559

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:
1294904627HYSTER-YALE GROUP, INC.
1294930076HYSTER-YALE GROUP, INC.
HCE-503 CPSCR 1/4 UNCX3/430076HYSTER-YALE GROUP, INC.


Techincal Specification:
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL UNS K03104 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
SURFACE TREATMENTZINC OVERALL AND CADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.620 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial