BOLT MACHINE
P/N LM-211-66
NSN 5306 01 349 4172
MFG LORD CORPORATION
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME   BOLT,MACHINE
DEFINITION  An externally threaded fastener designed for insertion through holes
             in assembled parts and normally intended to be tightened or released
             by torqueing a nut.  The threaded and unthreaded portions are both of
             one nominal diameter of 0.190 inch (5 mm) or larger. The head is not
             designed to be held or driven with an inserted driver or by the thumb
             and fingers.  A locking feature may be incorporated in the design of
             the head or threads.  Head dimensions and sizes of threaded and
             unthreaded portions shall conform to internationally recognized
             fastener standards.  For items having a grip length portion machined
             to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See
             also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
            
 
CHARACTERISTIC                          VALUE
THREAD CLASS                            3A                                               
THREAD DIRECTION                        RIGHT-HAND                                       
THREAD LENGTH                           0.548 INCHES NOMINAL                             
FASTENER LENGTH                         2.704 INCHES MINIMUM AND 2.750 INCHES MAXIMUM    
HEAD STYLE                              HEXAGON                                          
HEAD HEIGHT                             0.190 INCHES NOMINAL                             
WIDTH BETWEEN FLATS                     0.500 INCHES NOMINAL                             
NOMINAL THREAD DIAMETER                 0.312 INCHES                                     
GRIP LENGTH                             2.172 INCHES MINIMUM AND 2.202 INCHES MAXIMUM    
FEATURES PROVIDED                       FINISHED HEAD                                    
THREAD QUANTITY PER INCH                24                                               
HARDNESS RATING                         26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C      
                                        MAXIMUM OVERALL                                  
MATERIAL                                STEEL COMP 4037 OR STEEL COMP 8740 OVERALL       
SURFACE TREATMENT                       CADMIUM OVERALL                                  
THREAD SERIES DESIGNATOR                UNF