| 
                                    
                                 | 
                             
                            
                                
                                     
                                 | 
                             
		                    
		                        
		                             National Stock Number: 5305-01-474-5224
  Federal Supply Class: 5305
  National Item Identification Number: 014745224
  Description: SCREW,MACHINE
  Detail: An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD. 
		                         | 
		                     
		                    
		                        
                                    
  Manufacturer Information:
 | B1867BC0060200 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |   
		                         | 
		                     
				            
					            
						            
  Techincal Specification:
 | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |  | EXTERNAL THREAD TOLERANCE CLASS | 6H |  | FASTENER LENGTH | 18.0 MILLIMETERS NOMINAL |  | HEAD DIAMETER | 11.9 MILLIMETERS MINIMUM AND 12.6 MILLIMETERS MAXIMUM |  | HEAD HEIGHT | 1.7 MILLIMETERS MAXIMUM |  | HEAD STYLE | OVAL COUNTERSUNK |  | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |  | NOMINAL THREAD DIAMETER | 6.0 MILLIMETERS |  | SCREW MATERIAL | STEEL PROPERTY CLASS 9.8 |  | SCREW SURFACE TREATMENT | ZINC |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 15.5 MILLIMETERS MAXIMUM |  | THREAD PITCH IN MILLIMETERS | 1.0 |  | THREAD SERIES DESIGNATOR | M |   
					             | 
				             
		                 
		             |