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National Stock Number:
5305-01-617-9849
Federal Supply Class:
5305
National Item Identification Number:
016179849
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:
| ISO10642-M12X20-8.8-A2D | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | M | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 1.75 | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 20.0 MILLIMETERS NOMINAL | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | COLOR | BLACK OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 23.12 MILLIMETERS MINIMUM AND | | 26.88 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 7.44 MILLIMETERS MAXIMUM | | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND | | 92.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 8.0 MILLIMETERS NOMINAL |
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