5305-01-512-8709, SCREW,DRIVE

National Stock Number:
5305-01-512-8709

Federal Supply Class:
5305

National Item Identification Number:
015128709

Description:
SCREW,DRIVE

Detail:
A HARDENED CYLINDRICAL FASTENER WITH MULTIPLE SPIRAL FLUTES ON ITS SHANK. IT ALSO HAS AN END SMALLER IN DIAMETER THAN THE OUTSIDE DIAMETER OF THE SPIRAL FLUTES, WHICH ACTS AS A PILOT WHEN DRIVEN INTO A DRILLED HOLE.

Manufacturer Information:

S640NG88TAB10307BNCG1	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
S640NG88TAB10307BNCG1	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED

Techincal Specification:

FASTENER LENGTH	0.500 INCHES NOMINAL
HEAD DIAMETER	0.382 INCHES MINIMUM AND 0.408 INCHES MAXIMUM
HEAD HEIGHT	0.139 INCHES MINIMUM AND 0.153 INCHES MAXIMUM
HEAD STYLE	ROUND
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A307 GRADE B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NONMACHINE NOMINAL THREAD DIAMETER	0.212 INCHES
NONMACHINE THREAD STYLE	DRIVE SCREW (TYPE U)
PILOT LENGTH	0.062 INCHES NOMINAL
PILOT DIAMETER	0.173 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE II, SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL

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