5305-01-294-3031 SCREW,MACHINE Index 5305-01-294-3033 SCREW,MACHINE

National Stock Number:
5305-01-294-3032

Federal Supply Class:
5305

National Item Identification Number:
012943032

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
A2-M3X25MMK6502DANAHER TOOL GROUP
CAT19705U2089NICE CTI SYSTEMS UK LTD
DIN7985M3X25-A2 STL57730MACHIDA INCORPORATED
DIN7985M3X25-A2 STLD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH25.0 MILLIMETERS NOMINAL
HARDNESS RATING63.0 ROCKWELL B MINIMUM AND 88.0 ROCKWELL B MAXIMUM
HEAD DIAMETER6.0 MILLIMETERS NOMINAL
HEAD HEIGHT2.4 MILLIMETERS NOMINAL
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH56000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER3.0 MILLIMETERS
SCREW MATERIALSTEEL PROPERTY CLASS 4.8 OR STEEL PROPERTY CLASS 5.8
SCREW SURFACE TREATMENTZINC
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH24.0 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS0.5


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