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National Stock Number:
5305-01-542-7322
Federal Supply Class:
5305
National Item Identification Number:
015427322
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 91280A722 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | THREAD LENGTH | 45.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 52.5 MILLIMETERS NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 1.8 | | EXTERNAL THREAD TOLERANCE CLASS | 6H | | SURFACE TREATMENT | ZINC OVERALL | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND | | 39.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 7.5 MILLIMETERS NOMINAL | | WIDTH BETWEEN FLATS | 18.0 MILLIMETERS NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | METRIC CLASS 8.8 ZINC-PLATED STEEL HEX HEAD CAP SCREW |
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