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 PITCH IN MILLIMETERS0.5
THREAD SERIES DESIGNATORM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH24.0 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM


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