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National Stock Number:
5305-12-164-4319
Federal Supply Class:
5305
National Item Identification Number:
121644319
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.
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Manufacturer Information:
| DIN7991-M4X12-8.8-B2C | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | DIN7991M4X12B2C | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | M4X12DIN7991B2C | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | M4X12DIN7991GALCD5MTCC | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | M4X12DIN799GALC D5MTCC | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6 KLEIN G | | FASTENER LENGTH | 12.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 225.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 300.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD DIAMETER | 8.0 MILLIMETERS NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | SPECIAL FEATURES | 640 NEWTONS PER SQ MM O/A OFFSET YIELD STRENGTH,800 NEWTONS PER SQ MM MIN TENSILE STRENGTH | | WIDTH ACROSS FLATS | 2.5 MILLIMETERS NOMINAL | | STRENGTH GRADE DESIGNATION | 8.8 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DIN267TEIL9,SCHLUESSEL B2C ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | TEST DATA DOCUMENT | D8286-DIN7991 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 7.6 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 0.7 |
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