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National Stock Number:
5305-01-501-3092
Federal Supply Class:
5305
National Item Identification Number:
015013092
Description:
SCREW,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| B1833B100020N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 4H6H | | FASTENER LENGTH | 33.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 6.78 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | SHOULDER DIAMETER | 9.95 MILLIMETERS MINIMUM AND 9.99 MILLIMETERS MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 20.0 MILLIMETERS NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | CARBON CONTENT OF ALLOY STEEL IS 0.31 TO 0.48 PERCENT | | WIDTH ACROSS FLATS | 5.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTMB633,TY2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 12.75 MILLIMETERS MINIMUM AND 13.25 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 1.25 | | THREAD SERIES DESIGNATOR | M |
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